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05-20-2008, 05:54 PM #1Import Killer
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Black- 1996 Trans am
Whats the fuel pressure supposed to be?
ok my 96 trans am will not crank and i have a fuel pressure tester and i am fixing to test the fuel pressure!! what is the fuel pressure supposed to be on with the key just turned on and what is it supposed to be with the engine trying to start?
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05-20-2008, 06:20 PM #2Junior Member
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- Aug 2005
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- vienna wv
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- 50
white- 1995 z28
mine stays right around 40-42 area... where its set
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05-20-2008, 06:24 PM #3Import Killer
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Black- 1996 Trans am
ok so there is a clear hose that came with this fuel pressure tester , where does it go?
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05-20-2008, 06:32 PM #4Junior Member
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- Aug 2005
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- vienna wv
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white- 1995 z28
hmm should just plug into where shrader valve is basically
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05-20-2008, 06:47 PM #5Import Killer
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Black- 1996 Trans am
ok here is what happend , i hooked it up and turned on the key and it went all the way up to 43-44 psi and slowly backed off down to 35 of so......what is my problem or is that normal?
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05-20-2008, 07:04 PM #6Junior Member
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- Aug 2005
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- vienna wv
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- 48
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- 50
white- 1995 z28
sounds like leak off kinda deal
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05-20-2008, 07:11 PM #7Import Killer
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- Aug 2006
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Black- 1996 Trans am
god this is PI$$ING me off so BADDDDDLLLLLLLLLLYYYYYYYYY GGGGRRRRR!?!?!?!?!?!?!?!
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05-21-2008, 04:31 AM #8Veteran
- Join Date
- May 2006
- Location
- Arizona
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- 12,557
That pressure should hold steady.
If it's bleading down, there is a diagnostic procedure you need to go through that will determine where the leak down is,,,,,whether it's the pressure regulator, injector, or fuel pump.
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