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Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.

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Old 10-23-2007, 08:04 AM   #1 (permalink)
PureStang
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Default fuel pressure

what is the normal fuel pressure rating on a 2v?

im trying to investigate why my car is hesitant at random times. i cleaned the air filter a week ago and i made sure that the wire in the MAF was clean. i also checked for any vaccum leaks and made sure that the connections were tight. so this leads me to my fuel pump. a buddy from home and i are going to hook up his fuel pressure gauge for a week and see whats going on. were gonna put it on the steering column. its gonna be sweet for a week. lol
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Old 10-23-2007, 09:27 AM   #2 (permalink)
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The fuel pressure should be between 39-44 psi.
No codes ? Usually if you are having low fuel pressure there is a sensor on the fuel rail that'll pick that up.
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Old 10-23-2007, 11:27 AM   #3 (permalink)
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I was getting about 32 at idle.
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Old 10-24-2007, 05:46 AM   #4 (permalink)
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I get 28-33psi ruffly at idle, normally at 30psi at idle. At WOT with my n/a motor i pull ruffly 40psi. With the nitrous on its a different story.
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