Help me figure this out crank no start?

Asked by Guru61YGV Nov 30, 2020 at 03:27 PM about the 2001 Chevrolet Silverado 1500 LS Extended Cab RWD

Question type: Maintenance & Repair

2001 chevy silverado 5.3 driving on hwy truck
just died like I turned it off.. pulled over
checked around. It would just crank but
wouldn't start. Towed home when tow truck
left I tried turning it on. Turned on great but 15
minutes later as I left it idiljng it died again.
Crank no start I notice my fuel gauge was
pointing down. I figured fuel pump since I seen
fuel gauge and had problem before with fuel
pump connector came off inside and I fixed it
about 4 months ago. Now I replaced fuel
pump
turned on for about 15 minutes and died again
.next day turned on but again died.. help

2 Answers
27,570

oilyspill answered 3 years ago

If it cranks good but won't start, make sure battery has a full charge and connections all good. Have a helper crank it while you check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure and fuel injector pulse. Check for applicable trouble codes. Those are the basic checks in my opinion.

Mark helpful
3,360

Justin answered 3 years ago

I would have to agree with oilyspill, but the fact that it starts then dies 15 minutes later leads me to suspect a fuel pressure drop. Possibly dirty filter. Run test first to confirm

Mark helpful

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