Engine cranks but does not start?

Tiny
WILLSONNAVY19
  • MEMBER
  • 1999 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
The car listed above is a GT. Cranks but won't start, replaced all ignition coils, plugs and wires, crank and cam position sensors, new fuel pump filter and injectors, and still won't start. No codes, no security light, not sure if it has any spark. I started it one day and went back inside for 5 minutes and came back out, the car was not running. It would crank but not start since that. Any clue as to what might the cause that after all these parts were fixed?
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Wednesday, December 14th, 2022 AT 7:01 PM

4 Replies

Tiny
KEN L
  • ADMIN
This sounds like a fuel pump is going out. To be sure let's see if the engine runs on starting fluid, also here is a video to help you check for spark:

https://youtu.be/baq_aEWNQ0Y

If it runs on starting fluid here is how to change the fuel pump out. The following guide will help you step by step and I have included instructions in the images below to help you fix your car.

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

and

https://www.2carpros.com/articles/car-not-running-advanced

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem. I also noticed this car has a fuel filter. I would check that first.
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Thursday, December 15th, 2022 AT 2:23 PM
Tiny
WILLSONNAVY19
  • MEMBER
It has a brand new fuel pump and filter, and fuel rail has good fuel pressure as well, and won't start on starting fluid.
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Thursday, December 15th, 2022 AT 4:31 PM
Tiny
WILLSONNAVY19
  • MEMBER
I can't get pics and videos until next week as the car is stuck at a buddy's house 40 miles away and I don't have the time until next week to go back to it.
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Thursday, December 15th, 2022 AT 4:33 PM
Tiny
KEN L
  • ADMIN
Does it sound normal when cranking over? Let me know when you are able to check for spark, I want to get this fixed for you.
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Friday, December 16th, 2022 AT 11:33 AM

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