Question about 1995 Chevrolet Cavalier
I got 2 codes that were pulled but can't find out what they mean 95 Cavalier one is P027 and P028 Please help
Code 27 and 28 refer to the quad driver circuits in the ecm. These control the grounds for various outputs.
Code 27 is for tcc, canister purge, and egr soleniods. Code 28 refers to fan relay, a/c compressor relay and cruise stepper motor. The canister purge, egr and compressor relay, brake switch and tcc solenoid are all fed by the erls fuse which is probably blown. Check the fuse if it is blown you will have to check these components for a short or a short or open in the wiring. If it is ok check for battery voltage on the pink wire on these solenoids.
Posted on Nov 21, 2008
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