GMC CHECK ENGINE LIGHT

Code Light Came On Had O'reilly's Read It And They Told Me It Was Lean Code. They Suggested I Use Some Really Good Fuel Additive Called...

Hello, There Are Two Codes That Were Listed From My Diagnostic Test, (p1482) Manufacturer Control Auxiliary Emission Controls), (p1271)...

Had A Diagnostic Done And It Says A Thermostat Problem Or Sensor. Engine Does Not Overheat. So, Could Thermostat Be Bad Anyway?

Used A Code Reader To Look At Live Data And Found A "0" Count On Recirculate Actuator. Purchased New Actuator And Plugged It In As...

The Above Light Does Not Come On After The Engine Starts, But It Runs Real Rough.I Have Changed Plugs, Wires, Cap, Rotor, Fuel Filter And...

I Used Borg Warner Wires With Autolite Plugs. How Do I Know What The Trouble Code Is? Will The Mechanic / Autozone Guy Know By Scanning It?

Reading Code Po 128 Ect Engine Coolant Temperature What Does This Mean

I Put A Diagnostic Computer To My Truck. It Says Rich In Bank 1. My Truck Sometimes Stalls. But Starts Right Back Up. If Im Sittn At A Stop...

Alternator Not Working After Engine Washing

I Own A 1996 Gmc Serria C1500 With 4.3l And 153266 Miles. Problem Check Engine Comes On For Tps Code Po122. And Engine Dies Out At Idle Wont...