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Author
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Topic: need a little help
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Adam5.0
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Member # 6995
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posted
 
 
recently mustang has developed what feels like a small miss fire or bogging in the 2500 to about 3800 rpm range at about 1/2 throttle to wot. I have check tps and adjusted fuel pressure to 48psi. my setup is tfs heads, stage 1 cam with 1.7rr. 19lbs injectors. any help would be great thanks.
[ January 19, 2009, 08:28 PM: Message edited by: Adam5.0 ]
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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JohnB
Tech Moderator
Member # 969
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posted
Why so high on the fuel pressure? ![[Confused]](confused.gif)
Check fuel pressure under load, your plugs and wires, and timing.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Adam5.0
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Member # 6995
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posted
the directions recommended to set the regulator at 48psi with no vacuum. what do think it sould be set at? timming is at 14 degrees. plugs and wires are good practically brand new.
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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Blind
2.3L
CAFords OG
Member # 3052
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posted
which directions? You sure they didn't mean 38psi vacuum unplugged?
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Adam5.0
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Member # 6995
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posted
the areomotive directions say 48psi unplugged. I will bump it down some tomorrow and see if that solves it.
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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