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This car has been sitting for six years, will not start?

Tiny
CAMC61
  • MEMBER
  • 1995 PONTIAC FIREBIRD
  • 169,000 MILES
The car has a 3.4 V6. It has been sitting for about 6 years. I replaced the fuel pump and filter and gas. It is getting about 45 PSI on pressure gauge as I turn the ignition on and while cranking engine it tries to start. If I press the pedal just a little it stops trying to start. FPR doesn't have a leak into vacuum line If I just charge the system, no start it will leak down to about 30 psi in 10 minutes just sitting and stays there.
Any help will be appreciated.
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Sunday, May 14th, 2023 AT 4:06 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Here is a guide to help us get started on why your car will not start:

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

Please go over this guide and get back to us.
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Monday, May 15th, 2023 AT 12:49 PM
Tiny
CAMC61
  • MEMBER
  • 36 POSTS
Thank you for the great info. I will check all those and post my findings.
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Monday, May 15th, 2023 AT 2:45 PM
Tiny
CAMC61
  • MEMBER
  • 36 POSTS
Okay, I checked all ignition components, all are good. I don't know how to check the MAP sensor as I was told that could be the culprit. Car starts good with carb cleaner sprayed in intake. As I keep spraying it a little with a helper at the ignition.
A very confusing problem.
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Tuesday, May 16th, 2023 AT 9:39 AM

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