Gmc Service Brakes, Air Supply Low Pressure Warning

I have 2001 GMC Safari and I installed new plugs and after that te service engine light comes on, can you tell me what to do? Loco

Since buying my T-7500 new in 2004 I have had constant problems with the instrument cluster (ABS system warning light never shuts off and traction control light indicates being shut off at all times). The dealer service people could not find any f

I have a 2002 GMC Envoy and have been the only owner. In May 2011, I began having problems when I was coming to a stop or accelerating. The following messages displayed "Stop Engine" and then "Low Oil Pressure." I took it back to dealership and

Follow-up to Mike Bowen issues- It was found that in the current problem the cause was deterioration of the tone ring due to rust corrosion. This corrosion had caused the wheel speed sensor to be damaged. As I drive in an area where it involves a