Mechanics

4 CYL SECURITY LIGHT

2004 Saturn Ion • 4 cylinder FWD Automatic • 64,000 miles

2004 Saturn Ion 4 cyl Two Wheel Drive Automatic 64,000 miles. I think that a sensor is out the security light flashes and I cant start the car for a while, then it starts, but now it won't start and my mechanic told me that its the security which makes sense. How can I fix the probably without spending a bundle?
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2CarPros-Archives
October 19, 2010.



We would suspect the key or key reader, (if chip key is used) A diagnostic code read should give you information of any ECU sensor faults.

Tiny
2CarPros-Archives
Oct 19, 2010.


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