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What is trouble code 36

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by rnash864, Feb 17, 2013.

  1. rnash864

    rnash864 New Member

    i have a 1994 gmc 2500 hd with a 454 in it and the service engine soon light is on and it shows a code 36 what does it mean
  2. j cat

    j cat Active Member 1000 Posts

    the obdI code 36 is MAF Burn-off circuit. I first would clean the maf sensor wires with CRC MAF cleaner just spray alittle do not touch the small sensor wires. clean the air ducts and If a oiled air filter is used make sure that you did not oil it too much.

    if after resetting the computer/ecm the code comes back then it will be the maf relays.
  3. redvett

    redvett New Member

    36 ignition system circuit error. No MAF on TBI engines.
    Last edited: Feb 19, 2013

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