Question about Chevrolet Corvette

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My 1992 cirvette had been running great. Then all of a sudden yesterday, the light on the AC control panel started blinking and the car is running VERY rich.

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  • Michael Youngman
    Michael Youngman May 08, 2010

    Yesterday I drove to the store and it was running fine. When I got back in the car, I noticed it was having a hard time starting. I had to push the gas to the floor to get it to finally start. At that time, black smoke came out of the exahust and it was running so rich it was burning my eyes. That's when I noticed the AC light on the AC control panel blinking. The AC clutch will not grab. I dis-connected the AC clutch plug and checked voltage on the wires going to the clutch and they have zero voltage.

  • Michael Youngman
    Michael Youngman May 08, 2010

    My 1992 Corvette had been running great. Then all of a sudden yesterday, the light on the AC control panel started blinking and the car is running VERY rich.

    Yesterday I drove to the store and it was running fine. When I got back in the car, I noticed it was having a hard time starting. I had to push the gas to the floor to get it to finally start. At that time, black smoke came out of the exahust and it was running so rich it was burning my eyes. That's when I noticed the AC light on the AC control panel blinking. The AC clutch will not grab. I dis-connected the AC clutch plug and checked voltage on the wires going to the clutch and they have zero voltage.

  • Michael Youngman
    Michael Youngman May 08, 2010

    I checked the voltage already and i'm at 14.2 VDC. I even OHM'd out the injectors and they all come back to arount 12.7 OHM's. Have any other ideas?

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  • Chevrolet Master
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Check the alternator,see if it is charging correctly,13.65 volts.to 14.25 volts,check at the battery should be the range it is charging with the head lights on,and the ac on high blower,if it is lower than this the alternator is bad,also make sure with the ac off,that the engine will run normally,if it does,then the ac system needs to be checked out.

Posted on May 08, 2010

  • Ronny Bennett Sr.
    Ronny Bennett Sr. May 08, 2010

    Check the egr valve,to see if it is stuck open,also,check the map sensor,see if it has vacuum to it,and run codes on the car,tell me what they are.Also if the fuel pressure regulator is not allowing the fuel to return to the fuel tank,this will cause this problem also,let me know,I will try and help If I can,,,Ron.

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  • Expert
  • 4,070 Answers

Hi! Can you tell me more bout what you noticed on the car lately? Thanks

Posted on May 07, 2010

  • dj_relly999
    dj_relly999 May 08, 2010

    Hi! The compressor clutch may be stucked dead. You will need to replace it for it could be the cause of grounding your electrical wirings. The next thing will be the magnetic, when its faulty it can burn your whole car. I suggest that you replace the compressor. Good luck!

  • dj_relly999
    dj_relly999 May 08, 2010

    Have you checked the MAF (mass air flow) sensor? It may be faulty and it has big contribution on engine performance specially on the idling.

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