
Originally Posted by
Trannyman95
Do a compression test. #s greatly vary but are often in the 155-180 range It is best to do this with the engine warmed up. I never really see them vary more than 5-10 psi between cylinders and if you have one that is reading distinctly lower than I would look into that. A leakdown tester would definately help you isolate where the issue is. those pics of the plugs didnt look bad at all and shouldnt be the source of your problems. Try another set to rule them out if you havent already.