Question about 2004 Saturn ION

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ENGINE LIGHT I have a 2004 ion 2.2L, my engine light goes on and off all the time. when it is on my car idles high and rough, and i goes through gas very quickly. i took it to have the codes read, but apparently my plug is broken. i dont know how that happened. but i was wondering if anyone had any ideas that could help.

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  • annakate02 Jan 17, 2009

    My engine light goes on, goes off constantly. Also, the car will not start sometimes...I walk away, come back and like magic, it starts. Its really freiaky. Now my check coolant dings all the time on the dash, but there is coolant in the car. Its drving me crazy!

  • dawnclark37 May 19, 2009

    I just took my car out of the shop yesterday. My car all of a sudden was idleing high, so I took it right to the shop. It was awful. The shop replaced the ignition module, spark plugs and coil packs. Runs good now.....but then the engine light came on again this morning. I took it back to the shop and the mechanic said because I was only running on 2 plugs that the gas off of the other 2 plugs that wasnt working correctly, the gas dripped into the cylinders and the gas is now burning off. He cleared the engine light and said if it comes back on (which it already did) to take it back to him. I only have off on weekends so he said to bring it in on saturday morning then. He said it could be the 02 sensor or catylic converter. Im hoping its not the cc because i just spent $580 yesterday. How can the cc go up in two days? Can anyone shine some light on the subject?



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On that new of a car it could be a huge number of different things, you almost need to get that plug fixed and get the code off of it, but if you want ideas, I would start with a visual check on the vacuum lines, another common problem with those symtoms is the Mass Air Flow sensor but that gets pricey to just change, or could be an oxygen sensor or a number of different sensors, not really cost effective to just start replacing. Get the wiring harness fixed and that will pinpoint your problem.

Posted on Oct 03, 2008


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