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

1995 PONTIAC FIREBIRD
169,000 MILES
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CAMC61
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  • 36 POSTS
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.
May 14, 2023 at 4:06 PM
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STRAILER
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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.
May 15, 2023 at 12:49 PM
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CAMC61
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  • 36 POSTS
Thank you for the great info. I will check all those and post my findings.
May 15, 2023 at 2:45 PM
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CAMC61
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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.
May 16, 2023 at 9:39 AM