2007 Saturn Ion Q&A
2007 Saturn Ion Question: check engine light on
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?" - 67891
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. - DaveJHM
The ignition module or an ignition coil may fail causing an engine misfire, the Check Engine Light may or may not illuminate. Diagnoses will be required to determine the cause and needed repair.
This all started when my check engine light came on. The oil was down by a quart. Since it was time for an oil change, that was done. Now it has only been 200 miles since that, and the check eng...
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The check engine light of my 2007 Saturn Ion 3 illuminates constantly. I took it to a repair shop and the owner told me that the 3rd cylinder is misfiring. However, no one could figure out the...