I have a 2008 cobalt LT 2.2L with a misfire in #1 compression shows 35 psi what could be? any sugestions will be greatly apreciated thanks.

Asked by texas1 Oct 26, 2013 at 10:55 AM about the 2008 Chevrolet Cobalt LT Sedan FWD

Question type: Maintenance & Repair

My 2008 cobalt has a misfire in #1 cyl. after changing the coil, spark plugs, injector still misfires, run a compression test and #1 shows 35.psi.    hope is not the engine!

2 Answers
103,695

Reelin68 answered 11 years ago

What did the other cylinders test at? If they were much higher, then I would say you have a bad piston ring on the #1 cylinder. Check out what this guy says on the first post....http://www.cobaltss.net/forums/2-0l-lnf- performance-tech-153/gm-compression-specs-273564/

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Mark helpful

texas1 answered 11 years ago

thank you for the answer. the cylinders 2, 3, 4, read 150 psi steady. Will check in the post suggested Thank you again.

Mark helpful

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