Why is my GMC Sierra 1500 engine not working?

Engine miss in cylinder one. Dealer replaced valve covers and baffle in oil pan to redirect oil flow. Claimed this is causing oil in cylinder one to fowl spark plugs. GM suggested replacement of the pistons and rings but once the head was removed there was substantial scoring of the cylinder walls. At that point GM agreed to replace the engine.

What kind of engine does a GMC Sierra 1500 have?

The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance. 355-horsepower 5.3L V8 8-speed shiftable automatic 4WD w/low range Gas Pedal Flex. When pressing on accelerator, the pedal would creak and pop. A new pedal bracket was installed which resolved the issue.

How many miles does a GMC Sierra 1500 take?

Consumption test started at 10,700 miles. Completed oil consumption test with GM dealer, Test showed engine using half a qt in 6,400 miles. Engine considered broken in at this mileage. I am satisfied at this time.

Can a Vortec 4.3 crank but won’t start?

It cranks like a champ, but just doesn’t start, no check engine light on, and nothing else comes up on the good scanners either. Once it starts there is no problem, so the mechanics working on it have just been changing parts trying to guess, I guess. It has new plugs, wires, distributor cap and rotor, ICM, MAP censor and fuel injectors.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

Why does my GMC Sierra 1500 not start?

Happened before, I gave it air, it started, thought bad filters, then noticed no umph in acceleration, leads me fuel line or bad plugs, not burning fuel. Checked carb, It’s not wet this time, leads me to fuel.

What kind of starter does a GMC Sierra use?

Drove home, 78 miles worth, ran like a champ, no issues. 5.7; TBI 350; 2WD ;A/T; w/AC. Any suggestions? 38 people found this helpful. What about the starter. You would think, if it was the starter, it wouldn’t start after many attempts. It did and then ran perfectly. Need more solutions 35 people found this helpful. Your starter should be good.