Question about 1995 Chevrolet Cavalier

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Cant access cars computer for codes. it denies ob2 tester access.

Ob2 tester cant access the cars computer for codes.The car is a 1995 chev cavaler.

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I have the same problem. I found out that in 95 chevy used the connector for an OBD-2 system and the PCM for an OBD-1. In order to access the computer you need a scanner that fits the OBD-2 connector and reads the OBD-1 PCM. I called around and either you can take it in (if drivable mine is not) to Knechts and they will scan it for free. Auto zone carries the CP9185 accutron scanner for 250 dollars and if it does not work for some reason you can take it back as long as you don't ruine the package. Other companies make scanners that will work but they all cost 250 or more. Good luck.

Posted on Apr 21, 2009

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