Question about 2004 Saturn ION

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High idleing i have a 2004 saturn ion 1 2.2l when im driving i could feel it kick in and when i stop it wants to go.i put in nutral and it idles at 3-1/2-4-1/2 rpms.its usually at 1-1/2 rpms.i had my iac,the whole fuel system cleaned,and fuel injector wire harness replaced about 5-6 months ago.i spent well over $1000 on it. any solutions for my problem

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  • Tim K May 11, 2010

    Did you have these problems with your car before you had the work done or did it start afterwords?

    FYI, the most common problem that causes high idle is an air leak somewhere in the engine, but it could be a number of other things.

    Do you know if anything was done to the TPS (Throttle Position Sensor) ? This would cause a similar problem.

    Let me know. Thanks


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Try pulling the engine coolant temp sensor, They often crack not sure why but the ceramic tip cracks makes the car hard to start, the car's idle may race while shifting gears, and often smokes. The sensor is on the right side of the engine when looking at it on the head. Easy to change and get too

Posted on Jan 17, 2009

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