GMC P CODES (POWERTRAIN) P0300 - P0399

I Bought The Car Used From A Friend. I Did A Complete Tune-up With New: Spark Plugs And Wires Cylinders 4 And 6 New Coils All Four O2...

Where Is The Location Of Camshaft Sensor?

Ok, Changed Wires, Plugs. Still Get A Po303 Code. Engine Is Unsteady At Idle. Runs Fine For A Second Then Boom A Miss. Does This About...

Engine Performance Problem 1998 Gmc Envoy 6 Cyl Four Wheel Drive Automatic 159k Miles The Engine Misfirines Underload. It Idles Smooth...

I Have A 2001 Gmc Jimmy 4x4 (t15) With A 4.3l V6 Auto 149,000 Miles. Just Replaced The Lower Intake Manifold Gasket The Other Week, So Had...

I’ve Got The P0300 Trouble Code For Multiple Cylinder Misfire. I’ve Got Rough Idles, Misfires, Backfiring Especially While Driving...

Hello, I Have A 1998 Gmc Jimmy 4.3l. I Just Recently Did A Tunup Which Includes All 6 Sparkplugs, 6 Wires + 1 Coil Wire, Distributor Cap...

The Truck Listed Above Has A 4.3 Vortex Engine. Truck Is Giving Me Check Engine Light. Replaced Spark Plugs, Wires, Crank Shaft And...

Car Starts Fine. When Accelerating When Cold, Engine Chugs. Rpm's Fluctuate While Driving From A Stop And At Cruising Speeds Even With...

96 Jimmy 4.3 4x4 144k Miles, I Rebuilt The Upper End Both Heads Machined A 1000 Miles Ago, Bought Ebay Used Injector Spider Was Clean And...