Numer 4 misfire
Asked by Joshua0481 Apr 18, 2016 at 12:21 AM about the 2007 Chevrolet Cobalt LT Coupe FWD
Question type: Maintenance & Repair
I have a number 4 misfire that won't go away. I have
change all the plugs , ignition coils, fuel injectors, and fuel
filter. Nothing I have done has changed a thing. It has
114,600 miles on it. What can I do to save my car?
4 Answers
try the ignition module next.
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Try running a compression test on it. Number 4 may have a valve or piston issue.
There is no Ignition Control Module, the computer controls the delivery of the spark. Like Bob says, check the compression on that cylinder.
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Cylinder 4 misfire cost for 2008 Chevy cobalt
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