I have a 97 wrangler sport 4.0. The check engine light has been on for 2 years now. Im in a part of Pennsylvania where they require emissions testing and if the check engine light is on, you have to spend up to $150 to try and fix it (receipts have to be submitted if not done by the inspection garage). What a crock.. anyway, last year i had to spend the $150 and in the process, replaced the system purge solenoid valve, the charcoal evaporator canister, and a few other things. One at a time of course but nothing worked. I spent my $150 and got my conditional exemption emissions sticker. now its inspection time again and i want to get the check engine light off.
The mechanic said there were some chewed wires and it was probably a short in the circuit that i needed to check that. Does anyone have any links or know where i can find schematics to help me trouble shoot this circuit.
I hate to rip off all of the wire coverings looking for a break. I need some advice as to where to start and which wires need to be checked.