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2.2 ECOTEC. IT HAS CYLINDER 4 MISFIRE.
2002 Chevrolet Cavalier
August, 13, 2012 AT 2:37 PM
2002 cavalier 2.2 ecotec. It has cylinder 4 msfire. Ihave changed spark plugs wires icm ignition coil and fuel injectors with no change. Did compression test and cylinder 1-3 210 psi and cylinder 4 190 psi. What could my problem be?
FOUND 335 RELATED QUESTIONS
Re Trying To Run On 6 Cyl
Running On 4 Cyl. ?????
August, 13, 2012 AT 3:45 PM
Remove the valve cover and make sure the pushrods and rocker arm is moving.
August, 13, 2012 AT 4:19 PM
I did remove valve cover and rocker arms are moving. Time chain is correct tensioner is good.
August, 13, 2012 AT 4:24 PM
Re check the compression for that cylinder. Is there any noise from the valve train while running?
Does the plug spark?
August, 13, 2012 AT 4:28 PM
Yes sounds like valve clatter when under load. I did check compression cylinders 1-3 had 210 psi and cylinder had 190 psi cylinder 4 is the one I am having issues with. Yes it has spark and fuel.
August, 13, 2012 AT 4:41 PM
The noise may the valve moving in the guide causing the miss.
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