why wont my truck crank up?

40

Asked by Dec 01, 2015 at 01:20 AM about the 2000 Chevrolet Tahoe Limited/Z71 4WD

Question type: Maintenance & Repair

i own a 99 chevy tahoe Z71. it stopped in the middle of me driving. it appears
to be getting fuel. my fuel pump still kicks on, fuel is coming out of my injectors
when i push it, so no air in the line, it just turns like it wants to crank but wont. i
was told it may be my distributor.

6 Answers

58,995

Next, check for spark. If you have spark and fuel run a compression test. If all cylinders test low or zero, it's jumped timing. HTH. -Jim

2 out of 2 people think this is helpful.
40

thanks i will look into that

1 out of 1 people think this is helpful.
58,995

To check for spark, remove one of the spark plug wires from the spark plug. Insert a large screwdriver with either a plastic or wooden handle into the end of the wire that plugs on to the spark plug. Hold the metal part of the screwdriver close to something metal that's not painted on the engine. The exhaust manifold is good for this. Now have a helper crank the engine. You should see and hear a good strong spark jump from the screwdriver. It'll sound like SNAP-SNAP-SNAP. HTH. -Jim

2 out of 2 people think this is helpful.
Best Answer
40

Thanks and ok will do i will post updates.. you're making me smile so far

2 out of 2 people think this is helpful.
58,995

You're welcome. Glad to help. Yes, please keep us posted. Thank you for the best answer click! -Jim

1 out of 1 people think this is helpful.
146,315

Yes, indeed it is a distinctive sound, the arc. SNAP! And bright cobalt blue. If it's a yellow-color, not so good. And a 2000 has a distributor? Are you sure? I am Not a GM guy, so that is a question not a statement

3 out of 3 people think this is helpful.

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