Repair 7

Symptoms of a Failing Optispark

General Motors introduced the optispark distributor in 1992. Its purpose is to optimize ignition timing to provide more power for the engine. The optispark distributor is prone to malfunctions resulting from moisture and rust.

Misfiring

CorvetteFever.com says optispark failure is almost inevitable. The most common failure is misfiring. The optispark becomes misaligned, throwing off the spark plug timing.

Hard Starting

A bad optispark can make the vehicle have trouble starting. Loud and unusual noises when the engine starts can be an indication of optispark trouble.

Poor Power

Reduced engine power is a common symptom of optispark failure. Acceleration that is slower than normal is the most obvious indication of reduced engine power.

Check Engine Light

The check engine light usually will come on when the vehicle experiences optispark issues. This makes diagnosing the problem easier. Mechanic shops can connect to your cars computer and extract codes that tell the exact problem.