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How to check igntion coils on the GM 3.1 and 3.4l v6 engines. (3100 3400)
01:16  - 1 year ago
Corroded ingition coils and spark plug wires can cause many problems. GreatAutoHelp.com shows how to inspect these parts if you have a problem like missfires, ses, check engine light, rough idle, heistation when accelerating, on chevy, buick, pontiac, and oldsmobile cars.
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