I have a Saturn Ion 3 with the 2.4 engine. The check engine light comes on and the code says a cylinder number 2 misfire.The car runs great, and this is a recurring problem, so far the coil, plug wire, plug and fuel injector have been replaced and the same code comes back. Any ideas?"
check engine light on on 2007 Saturn Ion
by 67891 in Clermont, FL on March 16, 2011
ANSWER by DaveJHM on March 16, 2011
It's time for a compression test. If you have low compression in number 2 cylinder, then a leak down test is in order to check to see if you have a valve problem or base engine problem.
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