What causes coil packs to keep going bad on my 1991 Chevrolet lumina

Asked by Jul 19, 2015 at 04:23 PM about the 1991 Chevrolet Lumina

Question type: Maintenance & Repair

2 Answers

100,345

Unstable voltage, high resistance in the plug wiring and or plugs, intermittent ignition circuit ground.

1 of 1 people found this helpful.
52,055

Have you changed your spark plugs? Excessive spark plug gap puts higher than normal stress on the coil packs. Also some of the aftermarket cheap coils seem to have a very short life span.

1 of 1 people found this helpful.

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