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Can,t get reading with scanner on 1994chevytrailblazercheckenginelightison

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1994 would still be the OBD I computer system. All you have to do is make a jumper out of a piece of wire, a metal paper clip works well, and short between terminals A and B on the ALDL plug.
can,t get reading with scanner on 1994chevytrailbl - d41c61d7-2ead-4951-aa0e-a0666ed639d2.gif
after you insert your jumper turn the key to the "ON" position and your check engine light will flash a series of flashes and pauses, then it will repeat. write down what the code is and then you will have to decode the number to get what the problem is.

Posted on Apr 21, 2013


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