mattchaz posted an answer for this GMC Cars & Trucks:
"Probably under rear seats somewhere"
mattchaz posted an answer for this Heavy Machinery:
"I'd say air in lines!start cracking return lines on each cylinder that isn't working..its..."
mattchaz posted an answer for this 2005 GMC Envoy:
"The light looks light some kind of engine with a but a little different......"
mattchaz posted an answer for this 2005 GMC Envoy:
"if it is a orange light thats a pic of a motor its the check eng light prob a Po 410 code"
mattchaz posted an answer for this 2005 GMC Envoy:
"my service engine light came on and the dealership replaced the secondary injection air..."
mattchaz posted an answer for this 2005 GMC Envoy:
"there is a service bulletin on it no fix as of yet.thats what gm says"
mattchaz posted an answer for this 2005 GMC Envoy:
"Where is the fuel filter located on a 2005 GMC Envoy, 4.2L Engine?"
mattchaz posted an answer for this 2005 GMC Envoy:
"in the fuel tank"