Question about 2002 Chrysler PT Cruiser

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Check Engine Light is on

2002 PT Cruiser,
Check engine light came on about a week ago. I took it to two different major auto parts stores and had them do a free check both came back with Internal Control Module. Neither one could tell me exactly what that means. They didn't give me a code number. I am going to go back and have them do it again so I can get the code number but in the mean time does anyone know right off what this is?
Thanks!
Jenni

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  • TINY1969 May 11, 2010

    try having them reset the computer also with the scan tool. Sometimes the ECM will pick up a spike or glitch and kick the light just for the plain reason that it doesn't know what the spike was.

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Internal memory fault,Will need replacement ecm.

Posted on Jun 20, 2009

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Have you changed your original gas cap. Mine has done this several times and drove me crazy until I changed back to the original cap. I just wanted a lock cap to avoid gas theft, but now if the engine light comes on, I mess with the gas cap first thing (you have to tighten it til it clicks 2 or 3 times) and its not instant. You have to drive it and sometimes wait for 24 hours for the computer to reset. Hope this works for you and avoids a big cost!

Posted on Jun 21, 2009

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