Problem Reports

GMC Envoy

Report: Internal Faults in Distributor Can Cause Engine Problems

• Worn Valve Seats May Cause Engine Misfire
  The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.

  Common Problems > GMC Envoy

• Service Engine soon light blinks/steady at times. Engine idles hard at stops
  Service Engine soon light blinks/comes on intermittently. Steady most of the time but blinks briefly when accelerating. Engine seems to hesitate and idles hard at stops. Started after refueling

  Q&A > GMC > 2004 GMC Envoy

• What would cause the dash lights & info to flash & scroll periodically?
  Every once in a while and it seems it's when I push the "Driver 1 or 2" button my dash lights go crazy. All of the lights on my dash start circulating...ABS light comes on, then to seat belt light...

  Q&A > GMC > 2003 GMC Envoy

• CHECK ENGINE LIGHT STAYS ON
  THE CHECK ENGINE LIGHT HAS BEEN ON FOR SEVERAL WEEKS NOW. I NOTICE NO OTHER PROBLEMS WITH THE...

  Q&A > GMC > 2002 GMC Envoy

• Check Engine and EVAP Code P0499
  Took my 2006 Envoy in to get the state inspection and was informed they could not perform the i...

  Q&A > GMC > 2006 GMC Envoy