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Author
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Topic: Fuel Pressure
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Wildfire532FB
CAFords OG
Member # 1482
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posted
 
 
Would Fuel Pressure make a car idle like its missing if the fuel pressure is too low? Or if the adjustable fuel pressure regulator is bad would it do it too? I just checked my fuel pressure and its 32psi i think stock is 37 or higher.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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FordPny
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Member # 510
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posted
I dont remember the fuel pressure on my 5.0 but on my turbo at idle I had 39psi and at WOT I was around 48-52. But unless your really running lean(wich 32-37 dont sound like it) then it shouldnt affect your idling.
This is pretty simple but hows your timing?
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Holla at yoo boooyyy
Posts: 2458 | From: San Jose CA | Registered: Oct 2001
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Hungry Hippo
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Member # 537
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posted
are you checking the pressure with the vacuum hose disconnected? stock is 37-39 i think, with the tube off
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
Stock with vacuum off is considered normal if it's in the 39-41 range. For every foot of rubber hose from the schrader valve to the guage, add 1lb to the reading.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Wildfire532FB
CAFords OG
Member # 1482
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posted
its 32/31 with the vacuum connected. We think we found the problem its some valve on the firewall the one i DIDN'T repalce yet LOL we think thats it anyways we noticed the new one shuts off after 1 minute of idle and the other one won't maybe its supposed to do that i don't know but i might as well try it i got nothing more to lose except 40 bucks. Anyone know what the computer is supposed to turn on and off for the first 2 minutes of idle?
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./_ _ _ ___ __\
(]]]_ _ o _ _[[[)
|\_o_ __ __o_/|
|__|..........|__|
68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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