Question about 1995 Saab 900

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1995 900s OBD1 OBD2 ?

I bought a obd2 scanner that gives an error when trying to access codes and have taken it to autozone and they put the odb1 on it and it gives the same message.I have a check engine light on and it dies for no reason now and then so i thought the light may tell me why.It says under the hood OBD1 but it will not read it.I have read 95 is a could be either one.Does anyone know what it should be?Thanks for any help that you can give.

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1995 is OBD 1. Saab became OBD 2 compliant in 1996. The error message may represent a communication problem between the device and the on board electonics, although this most often is manifested by failure of the reader to provide any message. Check your diagnostic port on the back side where the wires enter it. You will need to remove the two screws that secure it to the underside of the lower dash panel beneath the steering wheel to do this. Make sure that none of the pins have been pushed through the back side or have been loosened within the port. If it looks suspicious, try holding the wires securely into the port when connecting to the scanner. It may help to have an assistant who can experiment with various positions pushing against the backs of the pins while you try to get a secure connection. If this is not the problem, the scanner you purchased my employ the wrong communication standard for Saab cars, which is ISO 9141. There are three others out there in common use.

Posted on Oct 21, 2008

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Check your vacuum hoses sounds like your losing pressure. i had the same problem and it was because on of my vacuum hoses was completely disconnected

Posted on Feb 19, 2009

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