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Code 23


Mik_talmon
09-17-2006, 02:10 PM
i just recently got a 1995 chevy z-71, and the check engine light came on, and i took a paper clip and put it in the a and b terminals and the truck showed a code 23 which is A MAT circut or an IAC sensor...What would that mean?

maxwedge
09-17-2006, 07:52 PM
Welcome to AF. Inlet air temp sensor appears to be disconnected or bad, 5.7? I assume.

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