GMC C1500 P Codes (Powertrain)

I Had The 60k Service Done At 66k And The Engine Light Came On The Next Week. The Mechanic At The Tire Barn Said It Was Either The Fuel...

Code Po449 Can't Seem To Get Rid Of This Code. Have Done And Replaced All Part's That Are The Proable Causes. Purge Valve....

I Have Change The Knock Sensors Out And Harness. The Same Codes Keep Popping Up.

Hello, Took My Yukon In To Get The Service Engine Codes Read. They Told Me That They Could Not Retrieve The Information. There Was...

I Recently Had Both Heads (cracked) Changed On My Truck Because Of Overheating Due To Complete Loss Of Coolant. After The Work Was...

I Keep Setting Both Bank 1 And Bank 2 Rich At The Same Time I Can Erase The Mil And Drive Non Stop And The Codes Will Never Show Up Except...

I Don't Think My Truck Is Getting Enough Fuel Or Air Flow I've Been Told It Could Be Sensors But I Don't Really Know I Have Fault Codes But...

I Have A 2003 Gmc Sierra 1500 2wd 4.8 And Im Having Trouble With Shifting. Its An Automatic 4speed. I Can Not Get It To Shift Into 3rd Gear...

I Have A 1997 Gmc 1500 With A 5.7 L Vortec And I Keep Getting Dtc's P0172 And P0175. I Have Replaced The Mass Airflow Sensors Twice, New...