Question about 1997 Chevrolet Cavalier

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How do you remove ecm on chevy cavalier

I need to know how to get to the ecm to remove it

Posted by Anonymous on

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hondakilla
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SOURCE: ECM Location

For one i dont need your vin its a z24 which means it has a 2.4l engine it does not have an ECM it has a PCM powertrain control module, which is located for your car in the right rear corner topside of your engine bay, in 1995-2001 it is located inside the right front fender. I hope this info helps...

Posted on May 02, 2009

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Prior to replacing you should check the wiring carefully for frays and breaks near the ECM (Computer) or a vacuum leak on the engine somewhere.

If your ECM is behind the passenger headlight at the bottom then it is exposed to the weather and the brackets holding the ECM get loose or it moves around and frays the wires in this location leading to the ECM or the connectors to the ECM get corroded.  Carefully inspect these and replace that part of the harness - One may even get a long harness piece and move the ECM to the top of the Engine out of the weather elements.
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Need to know where is the computer for a 1999 Chevrolet cavalier?


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Hope this help (remember comment and rated this).

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1 Answer

I need to know how to change the ECM in my 1997 Chevy Caviler with a illustrated view


This isnt just a simple plug in and go job. You actually have to take a piece out of them ecm and install in the new one.

If your not experienced in this, I would suggest having someone with more experience do it.

You can easily destroy the new ECM and more if your not very carefull.

Aug 30, 2009 | 1997 Chevrolet Cavalier

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ECM Location


For one i dont need your vin its a z24 which means it has a 2.4l engine it does not have an ECM it has a PCM powertrain control module, which is located for your car in the right rear corner topside of your engine bay, in 1995-2001 it is located inside the right front fender. I hope this info helps...

Apr 07, 2009 | 2002 Chevrolet Cavalier Coupe

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