A/C compressor doesnt kick on (not getting 12v to compressor) but is fully charged with freon and converted to R134check engine light comes on and off after doing the exhaust and doing a catyllitic convertor delete

5

Asked by Jul 20, 2012 at 11:13 PM about the 1986 Buick Regal T Type Turbo Coupe RWD

Question type: Maintenance & Repair

2 Answers

155

Check your relay or fuse for the AC. Is there an O2 sensor hooked up/

2 people found this helpful.
155

I have a V force exhaust on mine with no Cats my engine light is always on. I no there was a trick to resetting the check engine light. disconnect both cables off your battery. hold them up in the air and touch the positive and negative together and hold for about 5 minutes it will remove all electrical current in the system.

1 people found this helpful.

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