Question about 2001 Pontiac Grand Prix

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99 Grand Prix 3.8 liter series 2 wont start

Ok I have a problem, I have a 99 grand prix GT 3800 series 2 engine, it has 167,000 miles on it and it will not start. I have replaced the following

-Radiator
-Crank Shaft Position Sensor
-Water Pump
-Ignition Control Module
-Starter
-Upper Intake Manifold and gaskets

I have also checked the following

- Timing Chain
- Disconnected Battery for 10 minutes then plugged back in
- Checked for spark
- Checked the fuel pump and measured the pressure which is 60psi with a orange spark
- Double checked all the wiring and no broken or unplugged wires
- Checked to make sure the fuel pump was not clogged
- Fuel pump makes noise so I know it is working
- Put car in Neutral and tried to start from there also tried to wiggle the shifter while trying to start (thinking it was a security thing)

I do not have a scanner or anyway to get the car to one so any help would be happily taken!

All the car does when you turn the key is it cranks and makes some popping noises out of the tail pipe but will not start...Please help I am about to pull my hair out!

Thanks
Heather

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  • 3,113 Answers

Sounds like the plugs are wet, Always replace them if you replace the upper intake manifold,

Posted on Sep 13, 2009

Testimonial: "It fired right off but for some reason alot of white smoke came out the tail pipe and now the engine is acting like it is seized. Any suggestions?"

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