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09-17-2006, 01:47 PM
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#1 | |
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AF Newbie
 Join Date: Nov 2002
Posts: 19
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How much fuel pressure drop when starting?
I was just wondering .. My car has 50psi fuel pressure with the key just on.. it holds steady.. when starting the car it dropped to probably about 25-30 psi... Is this a normal thing? or is it going to need bout 50 psi the whole time? If so.. thats why my car wont start anymore
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09-17-2006, 06:25 PM
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#2 | |
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AF Enthusiast
 
Join Date: May 2002
Location: Joplin, Missouri
Posts: 990
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Re: How much fuel pressure drop when starting?
Hmm... I believe that fuel pressure should stay around 40 PSI when running...
Clogged fuel filter (should be changed every 10k miles or so), a bad fuel pressure regulator, or a weak fuel pump could cause this.
__________________
-Eric 89 LeSabre T-Type: CAI, STB, F41 Suspension, Moog Ball joints and tie rods, dual-out flowmaster and dual tips, Pointiac CD HU, Delco type 2 Ignition, etc. Basic H/C body info:http://www.3800power.bravehost.com/index.htm http://www.cardomain.com/ride/2318168 |
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09-17-2006, 07:04 PM
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#3 | ||
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AF Newbie
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Re: How much fuel pressure drop when starting?
Quote:
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09-18-2006, 12:21 AM
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#4 | |
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AF Enthusiast
Join Date: May 2002
Location: Joplin, Missouri
Posts: 990
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Re: How much fuel pressure drop when starting?
Heh...yeah, it is amazing how much a new fuel filter can do, eh?
__________________
-Eric 89 LeSabre T-Type: CAI, STB, F41 Suspension, Moog Ball joints and tie rods, dual-out flowmaster and dual tips, Pointiac CD HU, Delco type 2 Ignition, etc. Basic H/C body info:http://www.3800power.bravehost.com/index.htm http://www.cardomain.com/ride/2318168 |
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