Question about 2005 Saturn ION

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2005 saturn ion

Why is my engine light on in my 2005 saturn ion and car wont start?

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  • LollysGirl Dec 23, 2008

    2005 Saturn Ion. Engine light suddenly came on while driving. Car got extremely sluggish. I pulled over and sat for a few minutes, thinking "what the heck am I going to do now". Put the key back in, it started just fine. Engine light was no longer on. This has happened 3 times within the past 6 months. Worried about what may be going on??

  • RuTemple Jan 11, 2009

    On cold mornings, the engine light goes on, and the car won't start. The battery is fine, the starter is fine, and generally within 15 minutes the car will start up and run fine the rest of the day.

    What's going on?

  • riggs_7 Jan 13, 2009

    I have a 2006 saturn Ion 3 quad coupe. My friend put it on an egine analyzer and two error codes came up. #'s 101 and 300.
    One of them was random cyliner engine misfire. He seems to think it's the spark plugs but they don't have to be replaced for 100,000 miles. The anylizer was a Solus by Snap-On tools. I'm not sure what the 300 code was.

  • Anonymous Mar 13, 2014

    Running when parked now won't start every third or forth crank it backfires through intake

  • Anonymous Mar 16, 2014

    does it make the car run bad

  • Anonymous Mar 16, 2014

    do it make the car run bad



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I am not a mechanic and have had no problems with my 2005 Ion-2 but at msn/autos I see that these can exhibit a starting problem because of the ignition switch which they recommend replacing. The part is around $40 & the labor is 1 hr.

Posted on Feb 20, 2009

  • Cindy Kuba
    Cindy Kuba Jan 03, 2014

    I also have a 2004 Saturn Ion, the issue is the security system. It does not recognize the key, so it has to reset itself before it will start. It is a known problem with the Saturn Ions, I have tried to get Saturn to do a recall on these cars, because it a problem with all the Saturn Ions...Saturn should do a recall. Why should all the shops make money off a defect in a car...



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Sorry the saturn's do not have a inertia switch. But more information would help. Like does the security light activate on the dash, you may have a bad Passlock, Place the ignition key to the on possition for 10 min and then try starting it. 
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Probably something shorting out. This is something that probably isn't going to be easy to figure out. You need someone that can diagnose it in person

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2004 satur ion 2 wont start when below 20 degrees have to wait 30 minutes after trying to start then will start

It is a common problem on Saturn Ion... You have to replace the pass lock switch. The cost of the part is around $65.00 cdn. It is located behind the key switch.

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