GMC C1500 TROUBLE CODE

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

This Truck Has Had The Computer Replaced With A New One(same Prom) And It Still Doz This: High Idle, Pinging, Dies Check Engine Light Is On...

When I Start Engine I Have To Hold The Throttle Open For It To Run. It Runs Choppy And Pops Back Through Throttle Body. It Has Code 54...

Have A Code 32. Have Changed Egr, Egr Solnoid, And Computer. Still Have A Check Engine Light After Run For 10 Minutes. Engine Stumbles...

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...

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 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...

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 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...