Having problems with your 2004 Chevrolet Colorado ?

My 2004 colorado is misfiring cylinder 3 where are the spark plugs located in this vehicle?

Posted / edited by AnonymousUser on : 20-05-2019

Answers :

They are under the intake box on top of the engine. If the miss goes away after the engine warms up then the head may be bad. Gm is having problems with these heads leaking air and loosing compression on a cold engine. There is a special policy for this problem, I think it's 7years and 100,000 miles. So if that is what ends up being the problem it will be fixed at the dealer free of charge.
Repair Help & Product Troubleshooting for 2004 Chevrolet Colorado

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