Repair 7

Fuel pump failure will stop a car in its tracks. An engine sputtering and shutting off is the most notable sign of pump failure. If there is gas in your tank and your car sputters and shuts down you may need to replace your fuel pump. The fuel pump is located inside your gas tank and it can be replaced within two to five hours with all of the proper tools.

Instructions

Relieve Fuel Pressure

1

Remove the gas cap to relieve any pressure in the gas tank.

2

Disconnect the wiring for the fuel pump assembly that is located behind the fuel filter hose, if you have a model with port fuel injection. The fuel filter hose is near the fuel filter just in front of the back tire on the passengers side.

3

Run the engine until it uses all of the remaining fuel and stops running.

4

Disconnect the negative battery terminal.

Remove Fuel Tank

5

Siphon gas out of your tank or use the fuel up if it is more than one-eighth full. Use a siphon pump to siphon fuel out of your vehicle. Insert one hose end in to the gas tank and the other in to a fuel-safe container. Pump the fuel out of the tank into the container.

6

Engage the emergency brake and block the front wheels. Raise the back of your vehicle up with a jack and place it on jack stands. Remove the jack.

7

Disconnect the wiring for the fuel pump assembly if you have not already done so. Disconnect the vapor return hose, the filler neck, and the vent tubes. Disconnect the fuel feed hose, and the fuel-return hose as well.

8

Support the fuel tank with the jack and remove both restraining straps. Lower the tank until you can access the wires and remove the ground strap and the wire.

9

Lower the fuel tank to the ground and bring it out from under your car.

Remove the Fuel Pump

10

Using a punch and hammer, gently tap the inner ring counter clockwise until the inner cams are free.

11

Pull the fuel pump out of the tank. Make sure not to bump it on anything because the fuel level float and the fuel sending unit are delicate and even a small bump will render the readings inaccurate.

12

Check the o-ring on top of the fuel pump and the filter on the bottom of it. If the o-ring is cracked or dry, replace it. If the filter cannot be cleaned, it must be replaced.

Your 2000 Dodge Intrepid fuel pump is the component that pressurizes the gasoline in the car, which allows the fuel injectors to supply the engine with fuel. Replacing the fuel pump is a relatively simple procedure that can be done at home. However, in order to access the fuel pump, you must remove the fuel tank, which is a separate procedure you should know how to perform.

Instructions

Relieving the Fuel System Pressure

1

Take out the fuel filler cap.

2

Disconnect the fuel pump relay from the power distribution center, located in the engine compartment. The relays should be identified under the cover of the power distribution center.

3

Start your Intrepid engine, and leave it running, until it dies. Crank the engine several times. Remove the key from the ignition.

4

Attach the fuel pump relay back into the power distribution center.

5

Remove the negative battery cable from the remote ground terminal, located on the right fender in the engine compartment, using a wrench to remove the retaining bolt. Pull out the cable.

Removing the Fuel Pump

6

Detach the fuel tank from your Intrepid. This is a separate procedure. The fuel pump module is found on the fuel tank.

7

Remove the fuel lines and electrical connectors from the fuel pump module. This can be done, depending on what fitting was installed in the fuel pump, which includes a singe-tab type, a two-tab type or a plastic ring type. Tabbed fittings need to be squeezed, so they loosen enough to allow for the lines to pull apart. The tab on a single-tab fitting needs to be discarded and replaced. Loosen a plastic ring type fitting, by pushing in the locking ring.

8

Loosen the module locknut, by turning it, counterclockwise, using large channel locks pliers.

9

Lift out the fuel pump module from the tank at an angle. Do not to break off the fuel-level sending float unit when removing the module. Clean any spilled fuel with rags.

10

Place the fuel pump module in a container or drain pan.

11

Replace the seal to where the fuel pump module is placed on the fuel tank. Wipe down the tank-sealing surface with rags.

12

Insert the new fuel pump module. Line up the tabs, under the module, with the notches on the fuel tank.

13

Screw the fuel pump module locknut tight, to about 40 ft-lbs., either by hand or with your channel locks pliers.

14

Attach the electrical connections and the fuel lines to the new fuel pump module.

15

Install the fuel tank back onto your Intrepid.

16

Attach the negative battery cable to the stud, and tighten the bolt with your wrench. Install the fuel filler cap.

On July 19, 2001 the Ford Motor Company issued a fuel system gasoline recall regarding a damaged check valve in the fuel pump sender assembly of F-Series pickup trucks. The potential number of vehicles affected is 1,556,221, according to the recall notice.

Affected Vehicles

The vehicles affected by this recall are 1990-1993 Ford F-Series pickup trucks equipped with dual fuel tanks. The recalled vehicles will have a 4.9, 5.0, 5.8 or 7.5-liter gasoline engine.

Problem

Vehicles affected can experience the transfer of fuel from one tank to the other due to a malfunction of the check valve in the fuel system. When fuel returns to the tank not being used, which is called cross flow, the non-operating tank capacity can be exceeded, which can cause fuel to run out past the filler cap and possibly create a fire hazard.

Solution

Ford has extended the warranty for possible fuel cross flow to 12 years or 150,000 miles from the start date of the warranty, whichever comes first. Dealers will repair the fuel cross flow condition at no charge.

Fuel problems in 2005 Honda Civic vehicles have resulted in recalls and multiple consumer complaints. If not repaired, the recalled gas tanks on these vehicles could rupture in the case of a fire, per the National Highway Traffic Safety Administration. Less dangerous problems include issues with the fuel injector, and a potential for burning excess gas.

Fuel Tank

In 2007, Honda recalled certain 1998-to-2007 model-year Civics due to a risk of the tanks exploding in the event of a fire. A manufacturing defect put these tanks at risk for heating unevenly, potentially preventing the pressure-relief device from ventilating the tank. To remedy the issue, authorized dealers were instructed to install a heat-insulating material in the rear seat.

Fuel Injector

Consumer complaints to NHTSA indicate that some 2005 Honda Civic hybrid owners might experience problems with the fuel injector. Due to a manufacturing problem, the cars computer might be programmed with an inappropriately low fuel-injector fuel-flow rate. Drivers affected should have received a recall notice. Repair of the problem may subsequently result in a 10-to-15 percent drop in fuel economy.

Excess Fuel Burning

The automatic choke on the 2005 Honda Civic EX might come on every time the car is started, according to consumer complaints to NHTSA. As of 2010, no recall has been issued to address this problem.

Chrysler uses its Jeep brand for its off-road and sport-utility vehicles. The 1988 Jeep models included the Cherokee, Comanche, Wagoneer, Grand Wagoneer and Wrangler. These vehicles came equipped with fuel injectors, which deliver the correct fuel-air mixture to the engine, at the correct timing. To access the fuel injectors in a 1988 Jeep, you will need to remove additional components. The procedure for replacing the fuel injectors is generally the same for all 1988-made Jeeps.

Instructions

1

Remove the cable from the negative battery terminal, using a socket wrench, to prevent the battery from generating sparks. Disconnect the air cleaner and its hose. Remove the upper and lower bonnets from the throttle body.

2

Press the tabs on the electrical wire for the fuel injector and pull the wire up to disconnect it from the fuel injector. Remove the screws from the retainer clip on the fuel injector, using a socket wrench, and detach the retainer clip from the fuel injector.

3

Grab the center collar of the fuel injector between the electrical terminals with a small pair of pliers. Rock the fuel injector gently back and forth while lifting it from the injector bore of the throttle body. Ensure that you do not twist the fuel injector while removing it. Discard all of the O-rings and the centering ring from the fuel injector.

4

Apply a coating of transmission fluid to the new O-rings and install them into the injector bore of the throttle body. Place the new centering ring on top of the upper O-ring. Align the fuel injectors locating ring, with its slot on the injector housing of the throttle body. Place the fuel injector into the injector bore of the throttle body and attach the retaining clip. Fasten the screws for the retainer clip, using a socket wrench.

5

Connect the electrical wiring for the fuel injector. Attach the upper and lower bonnets to the throttle body, using a socket wrench. Install the air cleaner and connect the air cleaner house. Attach the cable for the negative battery terminal.

The Ford Mustang is an American muscle car which has been in continuous production since 1964. The 1993 Mustang GT was the last year of the third generation Mustangs which began production in 1979. This model has an eight-cylinder 5.0-liter engine with multi-port fuel injection. Each cylinder has its own injector, which delivers fuel to the cylinder in a precise sequence. You can access the fuel injectors from the engine compartment, where they are located on top of the engine.

Instructions

1

Remove the cap on the fuel tank to relieve the pressure in the fuel tank. Attach fuel pressure gauge T80L-9974-A to the pressure relief valve on the fuel supply manifold. Open the pressure gauge to relieve the pressure in the fuel system.

2

Remove the upper intake manifold with a socket wrench. Disconnect the electrical wiring harness for the fuel injectors. Release the retaining clips for the fuel lines to the fuel supply manifold and disconnect the fuel lines.

3

Remove the retaining bolts for the fuel supply manifold and disconnect the fuel rail from the fuel injectors by lifting the fuel rail and gently rocking it back and forth. Disconnect the fuel injectors from the intake manifold in the same manner.

4

Remove the O-rings from the fuel injectors, and replace them if they show signs of damage. Lubricate the O-rings with engine oil and place them onto the new fuel injectors. Install the fuel rail and fuel injectors to the intake manifold. Ensure the O-rings are properly seated by pushing down on the fuel rail.

5

Tighten the retaining bolts for the fuel rail assembly to between 15 and 22 foot-pounds with a torque wrench. Attach the fuel lines to the fuel supply manifold and attach the electrical wiring harness for the fuel injector. Install the upper intake manifold with a socket wrench. Start the engine and check for fuel leaks.

Jeep issued a recall on the 2000 Grand Cherokee Laredo in 2005 for fuel pump problems, according to Internet Auto Guide. Not a widespread recall, it only affected a few Laredos, but other fuel pump problems have arisen for some 2000 Jeep owners. The fuel pump pushes gas from the tank through the fuel line and into the engines injectors. Problems with the fuel pump cause little or no fuel to reach the engine, creating multiple problems.

Plastic Grommet Failure

A plastic grommet on the 2000 Laredo fuel pump module was not compatible with gasoline, which caused the grommet connectors to degrade and allow gasoline to leak out. Since the fuel pump sits near the exhaust system, gasoline leaking out of the fuel pump can land on the exhaust and create a fire hazard. The fuel pump came from a specific manufacturer and only affected 7,291 Chrysler vehicles---including the 2000 Jeep Grand Cherokee Laredo.

Fuel Pump Failure

According to the website Car Complaints, some 2000 Jeep Grand Cherokee Laredo owners have experienced fuel pump failure. Though no known specific cause for this problem exists as of 2010, gasoline leaking out of the fuel pump can cause it to work harder to push gasoline through the fuel line and possibly burn out. The only correction for this fuel pump problem involves replacing the fuel pump.

CMP Sensor Problems

The 2000 Jeep Grand Cherokee Laredo has had problems with the camshaft position (CMP) sensor. The Laredo uses the CMP sensor to synchronize the fuel through the fuel pump. When this sensor goes out or operates intermittently, the fuel pump will fail to push gasoline through the fuel line. The vehicle will stall during acceleration, run roughly, jerk or hesitate during operation or achieve low fuel mileage. The CMP sensor requires replacement to correct this fuel pump problem.

The Nissan D21 was a series of pickup trucks manufactured in the United States from 1986 to 1997. The 1992 models use fuel injection, which requires an electric fuel pump to pressurize the fuel system. The fuel pump in the 1992 Nissan truck is installed within the fuel tank, so you must lower the fuel tank to access the fuel pump. The fuel pump in these vehicles is generally not serviceable, so a fuel pump repair consists of replacing the faulty fuel pump.

Instructions

1

Remove the fuse for the fuel pump in the fuse box located under the dashboard on the drivers side. Start the engine and allow it to run until it stalls. Crank the engine for five seconds to ensure the fuel system is empty. Replace the fuse for the fuel pump.

2

Disconnect the cable from the batterys negative terminal with a socket wrench. This will ensure that you cant start the engine accidentally while repairing the fuel pump. Raise and support the vehicle on jack stands. Detach the electrical connector for the fuel pump assembly. Place a hose into the fuel tank and siphon the fuel into container approved for gasoline.

3

Detach the filler tube from the fuel tank with a socket wrench. Detach the fuel lines from the fuel tank including the fuel outlet hose, fuel return hose and ventilation hose. Detach the electrical connector for the fuel gauge unit. Support the fuel tank with a jack and remove the mounting bolts for the fuel tank. Disconnect the fuel tank from the vehicle and lower it to the ground with the jack.

4

Disconnect the retaining bolts for the ring on the fuel pump with a socket wrench. Discard the O-ring for the fuel pump and pull the fuel pump out of the fuel tank. Cover the hole in the fuel tank with a shop towel to prevent contamination of the fuel tank.

5

Install a new fuel pump and O-ring by reversing steps two through four. Start the engine and check for fuel leaks.

The General Motors 3800 engine is a 3.8-liter V-6. This engine is installed across a variety of GM vehicles, though is primarily found in the Pontiac and Buick vehicle lines. The 3800 engines fuel injectors operate in conjunction with a pressurized fuel system. At the top and bottom of each injector, an o-ring acts as a seal to ensure fuel does not leak. Damaged or degraded o-rings may cause fuel leaks and fire hazards. O-ring replacement is recommended if they are leaking or any time the injector is removed from the fuel rail or engine.

Instructions

Remove the Injectors

1

Remove the electronic plug from the fuel safety cut-off switch to turn off the fuel pump. The cut-off switch location can be found in your vehicles owners manual.

2

Depressurize the fuel system by attempting to start the car three times, for 3 to 5 seconds each time. Allow a 10-second pause between attempts to allow the starter to cool. Without re-pressurization from the fuel pump, the existing pressure in the fuel lines will be reduced due to fuel consumption by the engine.

3

Disconnect the negative battery terminal.

4

Locate the fuel rails and remove any engine shrouds, intake tubes, vacuum lines or bolt-on accessories to allow access. Unbolt the fuel rail from the engine if your vehicles rails are secured.

5

Disconnect the fuel injector electronics plug. Disconnect the fuel rails by pulling upward and away from the top of the fuel injector. Some fuel will spill. Allow it to evaporate, or wipe it away, before continuing.

6

Pull upward on the fuel injector to remove from the engine. The fuel injector may need to be rocked slightly to allow the bottom o-ring to disengage.

Install the O-rings

7

Remove the o-rings from the injectors by sliding them off the top and bottom of the injector.

8

Wipe away any dirt or debris from the injector o-ring seal point.

9

Lubricate the new o-ring with a light coating of motor oil. The motor oil will not only make it easier to slide on, it will protect the o-ring once installed. Apply a small amount of motor oil to your finger and wipe over the entire surface of each o-ring.

10

Slide the o-rings onto the fuel injector.

Replace the Injectors

11

Push the injector into the engine hole until the o-ring is fully seated. A properly seated injector will resist removal.

12

Push the fuel rail or fuel line directly down on top of the fuel injector. Misaligned pressure may cause small tears in the injector creating future leak points. Connect all fuel injectors.

13

Replace the electronics plug on each fuel injector. Secure the fuel rail to the engine, if required. Attach any bolt-on accessories, vacuum hoses, and intake tubes. Reconnect the fuel safety shut-off switch electronics plug. Reconnect the car battery.

14

Turn the ignition switch to the electronics mode. Allow the fuel pump to pressurize the fuel system. With the ignition switch in the electronics mode, the pressurization should take 3 to 5 seconds. Turn off the key and repeat this step twice.

15

Inspect the fuel system for leaks. Return to Section 1, if necessary. Replace the engine shroud. Start the vehicle to confirm installation.

The SRT-4 is a sportier version of the Neon that the Dodge division of Chrysler produced from 2003 to 2005. The primary difference between the SRT-4 and the base model Neon is that the 4-cylinder 2.4-liter engine in the SRT-4 is turbocharged. This does not affect the fuel pressure regulator installation, as this procedure is the same for all Neons made from 2000 to 2005. The fuel pressure regulator in an SRT-4 is part of the fuel filter assembly.

Instructions

1

Remove the filler cap on the fuel tank to relieve the vapor pressure in the fuel tank. Take the relay for the fuel pump out of the fuse box located in the engine compartment.

2

Start the engine and let it run until it stalls. Repeat this procedure until the engine fails to start to ensure you have removed the fuel from the fuel system. Detach the cable from the batterys negative terminal with a socket wrench to ensure you dont start the engine while replacing the fuel pump.

3

Press down on the quick-connect fittings for the fuel line and disconnect the fuel line from the fuel filter. Hold the locking spring tab on the fuel filter down and turn the fuel filter 90 degrees counterclockwise. Detach the fuel filter from the fuel pump and discard the fuel filters O-rings.

4

Lubricate the new fuel filter O-rings with engine oil and place them on the fuel filter. Place the fuel filter into its socket on the fuel pump so that the the hold-down tabs on the fuel filter align with the fuel pump flanges. Hold the fuel filter down as you turn it 90 degrees clockwise to lock the fuel filter into place.

5

Connect the fuel line to the fuel filter, then attach the cable to the batterys negative terminal with a socket wrench. Start the engine and check for fuel leaks.

Imagine that you have just finished filling the gas tank of your bright red Fiero and a few minutes after leaving the station your car sputters and shuts off as if it were out of gas. You hop out and look for leaking gasoline, but there is none to be found. You probably need to replace the fuel pump. The fuel pump moves the fuel from your tank to the engine, and when it stops working your car will shut off, as if it is out of gas. Learn how to remove a faulty fuel pump and you can avoid costly trips to the local mechanic.

Instructions

Removing the Fuel Pump

1

Remove the wire connected to the negative battery terminal. The negative wire will usually be black in color and the terminal often has a minus sign.

Continue to Step 2 if your engines fuel injection type is throttle body injection. Usually, V4 Fiero engines are this type.

Skip to Step 3 if your engine is of the multi-fuel injection variety. Usually, V6 Fiero engines are this type.

2

Pull the fuel pump fuse out of your fuseblock.

Start your car and run it until it shuts off. This will happen after the gas in the fuel line has been depleted. Attempt to restart it to make certain the fuel is gone. Check that the ignition is in the off position and reset the fuel pump fuse. Continue to Step 4.

3

Locate the fuel rail on top of the engine. Attach your fuel pressure gauge to the fuel rail valve. Wrap a rag around the fitting while you attach the gauge. Set the bleed hose of your gauge in to a gasoline-safe container. Open the valve and allow the gas to bleed from the fuel line. After the fuel has bled out, remove the gauge and cycle the ignition several times, with 10 seconds in between each cycle. After cycling the ignition, check for any leaks.

4

Lock the front tires of your vehicle in place with blocks. Initialize the emergency brake. Raise the rear of your car with a jack and place jack stands underneath.

5

Disconnect the fuel pump wire connector from the main wire harness located in the front of the engine compartment. Crawl under your Fiero and disconnect the fuel feed, fuel return, canister vent, the filler hose, and the breather hoses. Remove the heat shield covering the catalytic converter. Support the fuel tank with either a jack stand or another person and remove the support bracket and support straps. Lower the fuel tank with the front end of it tipped down.

6

The fuel pump is locked in to the fuel tank by a set of cams. Turn the inner ring clockwise using a brass punch and a hammer. After you have unlocked the fuel pump, carefully pull it out of the fuel tank.

The 1998 Suzuki Esteem was an economical compact car---available as a sedan or a wagon---offering reasonable space and practicality. The Esteem had an understated generic design, but it offered a solid 1.6L, in-line, 4-cylinder engine capable of delivering 95 horsepower. With its light 2,250-pound curb weight, the Esteem posted very respectable fuel economy figures of 37 miles per gallon on the highway and 30 miles per gallon in the city.

Fuel Pump

The Esteems electronically controlled fuel pump is located in the gas tank. As its name suggests, its function is to pump gas through the fuel lines to the engine compartment.

Fuel Pressure Regulator

The fuel pressure regulator, located under the hood, is responsible for feeding fuel directly to the injectors at the correct pressure. This is controlled by the electronic control unit---or ECU---and is based on several parameters, including driver throttle input and revolutions per minute. The regulator must be in good working order, as failing to feed fuel into the engine at the correct pressure can cause severe issues, such as back-firing or even detonation caused by the improper ratio of air to fuel.

Fuel Injectors

The Esteem is equipped with four small fuel injectors, each responsible for providing fuel to the combustion chamber. The injectors are also controlled by the ECU, which instructs the injectors when and for how long to release fuel. Injectors must be free from deposits or contaminants to operate effectively.

Fuel Filter

The fuel filter screens out any foreign object or debris that may accumulate in the fuel tank.

Gas mileage is an important factor in choosing a new vehicle or upgrading your current ride. One way to improve your gas mileage is by increasing your cars air intake. There are numerous ways to increase air intake, including installing dual exhausts.

Single vs. Dual

A dual exhaust system will increase the gas mileage of your vehicle. Above and beyond increasing your gas mileage, an added bonus to choosing a dual exhaust system is an increase in horsepower.

Types

There are two types of dual exhaust systems: true dual exhaust and dual exiting exhaust. Dual exiting exhaust systems have one catalytic converter, one muffler and a split tailpipe. True dual exhaust systems have two catalytic converters, two mufflers and and two tailpipes.

Exhaust Systems and Engines

Cars with four-cylinder engines cannot have a true dual exhaust system installed because they have only one exhaust manifold. Vehicles with six- or eight-cylinder engines have exhaust manifolds on both sides of the engine and therefore can accommodate a true dual exhaust system.

Tailpipes

Contrary to popular belief, having one or two tailpipes makes no difference in your engines performance. This is merely a cosmetic choice.

A 1989 Chevrolet truck may be an S-10 or a member of the C/K series. The S-10 is a compact pickup truck, and the C/K series are full-size pickup trucks. These vehicles generally use an early form of fuel injection called throttle body injection. This type of fuel requires a low-pressure fuel pump that delivers fuel in the range of 9 to 13 pounds per square inch. A malfunctioning fuel pump typically requires you to replace the fuel pump.

Instructions

1

Loosen the fuel filler cap and remove the fuse for the fuel pump in the fuse box of the passenger compartment. Start the engine and allow it to stall. Crank the engine for three seconds and turn the ignition off. Replace the fuse for the fuel pump. Open the hood and disconnect the cable from the negative terminal on the battery with a socket wrench.

2

Siphon the fuel through the filler tube to drain the fuel tank into a gasoline-approved container. Raise the rear of the truck with the jack. Place jack stands under the frame and lower the vehicle onto the stands. Loosen the retaining clamp for the filler hose on the fuel tank, and disconnect the filler hose. Disconnect the fuel and vapor lines from the fuel tank, and disconnect the fuel hoses and electrical wiring from the fuel tank. Raise the jack to support the fuel tank, and remove the straps on the fuel tank. Lower the fuel tank slightly to gain access to the fuel sending unit. Disconnect the fuel lines and electrical wiring from the fuel sending unit. Lower the fuel tank to the ground.

3

Turn the cam locking ring on the fuel sending unit counterclockwise with tool No. J-24187 or J-36608. Remove the cam locking ring, and disconnect the fuel sending unit from the fuel tank. Discard the old gasket on the fuel tank. Pull the fuel pump from the bottom support and into the mounting tube without damaging the insulator or the fuel strainer. Pull the fuel pump out of its rubber connector.

4

Push the new fuel pump into the mounting tube of the fuel sending unit, and place the new gasket onto the fuel tank. Lower the fuel sending unit into the fuel tank without folding the fuel strainer.

5

Attach the cam locking ring on the fuel sending unit. Turn the locking ring clockwise with tool No. J-24187 or J-36608 until the locking ring locks into place. Connect the fuel tank and fill it with fuel. Connect the cable for the negative battery terminal, and check the fuel system for leaks.

Manufacturers first developed gas caps to prevent rain from entering the fuel tank when automobiles came off the assembly line. By the 1970s, the purpose of the fuel cap was to keep the gas in the tank for safety reasons and to prevent harmful vapors from seeping into the environment.

Safety

Driving without a gas cap allows hazardous gas fumes to surround your car. A random spark or fire can ignite the fumes; this is more likely in the case of an accident.

OEM Fuel Cap

An OEM (original equipment manufacturer) fuel cap provides the best fit since it matches the filler neck threads. OEM caps also offer the correct vent valves and are specially designed for your automobiles fuel system.

Locking Fuel Cap

Locking fuel cap manufacturers claim to match the quality of OEM construction. These devices prevent someone from siphoning gas from the vehicle or trying to damage the tank.

Missing Fuel Cap

Some car owners accidentally misplace their fuel cap by leaving it at the gas station. If you are unable to locate your fuel cap, you can often purchase a new one at your local auto parts store.

Toyota has used the Celica name for a variety of sedans since 1970. The most recent version of the Celica is a 3-door hatchback that was in production from 1999 to 2006. These vehicles have 4-cylinder, 1.8-liter engine with multi-port fuel injection. The fuel pressure regulator in a late-model Celica attaches to the fuel filter and is accessible with an access panel under the rear seat. The replacement of the fuel pressure regulator in a Toyota Celica also requires the removal of the fuel pump assembly.

Instructions

1

Open the gas cap to relieve the pressure in the fuel tank. Disconnect the negative battery cable with a socket wrench to avoid starting the engine accidentally. Remove the rear seat cushion and disconnect the screws on the service hole cover. Remove the service hole cover.

2

Detach the electrical wiring to the fuel pump assembly. Disconnect the fuel outlet pipe from the fuel pump bracket with tool SST 09631-22020. Remove the retaining screws for the fuel pump bracket with a socket wrench and detach the return hoses from the fuel pump bracket. Pull the fuel pump assembly from the fuel tank.

3

Remove the fuel suction support from the fuel pressure regulator with a socket wrench and detach the fuel pressure regulator from the fuel filter. Remove and discard the O-ring for the fuel pressure regulator.

4

Coat the new O-ring with a thin layer of gasoline and mount it on the new fuel pressure regulator. Attach the fuel pressure regulator to the fuel filter and install the fuel suction support.

5

Install the fuel pump assembly into the fuel tank and connect the return hoses to the fuel pump bracket. Fasten the retaining screws to the fuel pump bracket and connect the fuel outlet pipe to the fuel pump bracket with tool SST 09631-22020.

6

Attach the electrical wiring for the fuel pump assembly. Replace the service hole cover and fasten the retaining screws for the cover with a socket wrench. Install the rear seat cushion and connect the negative battery cable.

On October 12, 2006, the National Highway Traffic Safety Administration (NHTSA) and DaimlerChrysler announced a fuel pump recall for 39,243 vehicles, including Dodge Cirrus and Stratus models manufactured between 1995-2000. Per the NHTSA, registered vehicle owners should have been notified by mail on or around Oct. 6, 2006.

Fuel Pump Defect

According to the NHTSA, the flapper valves in some of the Tigas fuel pump modules made between June 1 and Sept. 24, 2006, contained out-of-specification silicone material. The affected valves were sold under various brand names as "aftermarket for use in certain DaimlerChrysler vehicles."

Potential Danger

The use of out-of-specification silicone material caused excess swelling of the flapper valve restricting the flow of fuel to the fuel pump module. The restriction of fuel can potentially cause the engine to stall or lose power, which could result in an accident.

Remedy

Per the NHTSA, TI Automotive in October 2006 notified vehicle owners with Tigas models TU111, TU117, TU144 and TU174 where to bring their vehicles for a free replacement of the defective fuel pump modules. Concerned drivers may contact the NHTSA (888-327-4236) or TI Automotive (877-461-1834) to determine whether their vehicles could have been affected.

Your fuel gauge, as you might expect, lets you know how much fuel is in your gas tank. A defective fuel gauge can be a symptom of several problems such as a blown fuse, a broken circuit in the dash panel, or a fractured float -- the part attached to the sending unit in the intake fuel pump. In modern cars, you have two fuel pumps: the intake and main fuel pumps. The intake fuel pump is responsible for getting the gas up and out of the gas tank and registering the amount of fuel in the tank. The main fuel pump, located underneath the car, then grabs the fuel and sends it to the engine.

Instructions

Blown Fuse

1

Access the fuse box. Consult your cars manual to determine the exact location of the fuse box.

2

Remove the cover of the fuse box using your hands. Flip it over to view the schematic diagram to determine which fuse controls the fuel gauge.

3

Remove the fuse by hand and look at it in the light to ensure the element is not broken.

4

Replace the fuse if the element is broken simply by inserting a new fuse where you pulled out the old fuse.

5

Turn the ignition key to the "ON" position and see if the fuel gauge is now working. You do not need to start the car.

Broken Circuit in Dash Panel

6

Insert two specialty hooks on both sides of the dash panel to free up the panel enough to access the back of the panel.

7

Disconnect all electrical wire leads to the back of the panel manually. This action is similar to unplugging an appliance from a wall socket.

8

Pull out dash panel and place on the work bench. With a magnifying glass and ample lighting, inspect the back of the dash panel for a broken solder circuit. This is a slow and tedious process. If a broken solder circuit does exist, you will be able to see the breaking point in the circuitry.

9

Replace the entire dash panel by inserting a new dash panel where the old dash panel had been. Reconnect all the electrical wire leads manually and then snap the new dash panel in place with a swift push using your hands.

Fractured Float

10

Consult your cars manual to confirm the location of the access panel to the fuel tank panel. If the fuel tank panel is located in the trunk of the vehicle, remove all the contents in the trunk of the car which includes the spare tire and jack and all cluttered debris, and the cloth lining in order to find the access panel to the fuel tank. The fuel tank panel is usually fastened with 4 to 8 10-mm bolts.

11

Unfasten the bolts with an air ratchet and 8 to 10mm sockets to remove the fuel tank access panel. Disconnect the wiring harness that leads to the intake fuel pump sending unit with your hands.

12

Use the brass hammer over the brass punch to loosen the additional panel that leads directly into the fuel tank and then use your hands to completely pullout the panel which includes the sending unit.

13

Take the entire sending unit to the work bench to inspect. You should now be able to visually identify if the float is loaded with fuel and see the fracture if one exists. The float resembles and works like a ping-pong ball in water.

14

To confirm that this is the problem, attach the new sending unit to the wiring harness and place the key in the on position -- move float up and down -- the fuel gauge should go up and down.

The fuel pump on a motor vehicle pumps the gasoline through the engine to be ignited and create power. The fuel must pass through a fuel filter to ensure that no contaminants reach the engine. The filter traps large particles of dust and debris, stopping them from affecting the engine.

Start Difficulties

The first sign of a malfunctioning fuel pump filter is difficulty starting the car. The filter will start to block the flow of gasoline into the engine. This is mainly caused by blockage or clogging, but can also occur from a break in the filter or a misinstallation. The problem will escalate over time if untreated, and what began as a difficult start that took several attempts will become a complete inability to start the engine. Once the filter hits this point of damage the only fix is to replace it.

Stalling

A significant indicator of a faulty fuel pump filter is the stalling of the engine during use. The stall will most likely occur on an upward or downward slope (depending on the placement in the car) when the fuel is being pushed through the filter rapidly. The stall happens because of an interrupted or inconstant flow of gasoline and feels much like the car does when running out of gasoline. At this point, however, the fuel pump filter may just need a quick repair or cleaning.

Acceleration

The fuel pump filters earliest indicator of problems manifests as stunted acceleration. If the car starts running sluggishly or unresponsively it will mean the fuel pump is either off alignment or in the beginning stages of a clog. There is a good chance at this point that a simple fuel injector cleaner solution may fix this problem and the vehicle will start running efficiently again.

According to the National Highway Traffic Safety Administration (NHTSA), Ford Rangers with model years of 1998, 1999 and 2004 have been recalled for fuel problems. If not repaired, manufacturing defects in affected Ranger pickups may cause gas leaks and fires.

Purolator Filter Defect

UFI Filters USA conducted a recall of certain 1998-1999 Ford Rangers equipped with aftermarket fuel filters sold under the brand name Purolator F65277. A manufacturing defect in these filters could cause a fuel spill, which could lead to a fire.

Fuel Line Damage

Ford recalled certain 1998 model year Ford Rangers equipped with 4.0L engines for a manufacturing problem that could cause the fuel line to come in contact with the exhaust manifold. The fuel line in these vehicles may suffer extensive damage, leading to a fuel leak or fire.

Frame Rail Puncture

Ford recalled certain 2004 model year Rangers to repair improperly formed frame rails that could puncture the fuel line. In the event of a side-impact crash, a fuel leak or fire could develop.