GMC SIERRA ENGINE

Starts Awesome Runs About 2-3 Seconds And Shuts Off. What Direction To Start Troubleshooting?

My Grandfather Gave Me His Truck And After Driving It A Few Times, I Noticed The Ac/heater Would Not Blow Through The Front Vents, Only...

After Starting Just Fine, The Pickup Will Randomly Not Start. Acts Like The Battery Is Dead. No Lights, No Radio. We Get A Jump Start...

Changed Fuel Pump And Filter. New Battery, Fuel Pump Relay. It Will Run On Starting Fluid. What Am I Missing?

I Had All Plugs And Plug Wires Replaced. Pcv Replaced. The Problem Is The Check Engine Light Is On And Reading #5 Cylinder Not Firing. The...

I Have A 1991 Gmc Sierra That Is Hard To Start. It Cranks Just Fine, However, If The Engine Starts, It Dies Within 2 Seconds. This Can...

I Have A The Sle K1500 5.7l/4l60. I Replaced The Cap And Rotor, Coil, Spark Module, And Just Did Complete Timing Replacement About A...

I Have 12 Volts At The Starter But Hit The Key And Nothing. With The Key On The Fuel Pump Doesn't Kick On. Key On The Gauge Lights Are...

My Truck Does Not Always Require Foot To Floor When Cranking But Most Of The Time It Does. I Have Noticed That When It Doesn't, You Can...

What The Subject Says. Driving Off In The First Gear It Drags Out The Rpms And Then Shifts Really Rough. All The Gears Do It But First Is...