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February 13th, 2011, 12:44 PM
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#1 |
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Regular
02 Mustang V6
13.605 @ 101.60
Join Date: Jan 2007
Location: Brandon, FL
Posts: 336
 iTrader: 6 reviews
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High Fuel Pressure
Anyone ever experienced this?
Idle, Part Throttle, and WOT are all around 65 PSI which is crazy... The car is leaning out and lacks power at higher RPM's - knocking around 5k RPM but runs at 14.7 part throttle all day long until like 4k RPM I've replaced everything except the FPDM and the ECU... Gaskets, Fuel Tank, Fuel Pump, Fuel Pressure Sensor, Fuel Supply Line, Injectors, Injector O-Rings... Someone say they've seen this before and replacing the FPDM fixed it and my life will be at ease... Thanks for any help!
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BBK Intake, BBK 70MM Throttle Body w/ Port Matched Upper Intake, BBK Shorty Headers, Magnaflow Exhaust, GT Tips, Eibach Sportline Springs, EGR Delete, Aluminum DS, 7.5 T-Lok w/ 3.73's, Centerforce Clutch, ZEX 75 Shot, Sniper Tuned 
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February 13th, 2011, 01:43 PM
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#2 |
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Hardcore Enthusiast
Join Date: Feb 2007
Posts: 1,262
iTrader: 0 reviews
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There is a module that controls the duty cycle of the fuel pump and thereby regulates the pressure. I believe it is located in the trunk.
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February 13th, 2011, 01:48 PM
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#3 |
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Hardcore Enthusiast
Join Date: Feb 2007
Posts: 1,262
iTrader: 0 reviews
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February 13th, 2011, 08:50 PM
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#4 |
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Regular
02 Mustang V6
13.605 @ 101.60
Join Date: Jan 2007
Location: Brandon, FL
Posts: 336
iTrader: 6 reviews
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Changed the FPDM - still no luck. Still showing 65+ PSI at the rail and yet I can't get enough fuel to the motor at high RPM's...
Changed the tune to run super rich at WOT Mid to High RPM and still leans out to over 15.0 at 4k RPM Any other ideas? ECU?
__________________
BBK Intake, BBK 70MM Throttle Body w/ Port Matched Upper Intake, BBK Shorty Headers, Magnaflow Exhaust, GT Tips, Eibach Sportline Springs, EGR Delete, Aluminum DS, 7.5 T-Lok w/ 3.73's, Centerforce Clutch, ZEX 75 Shot, Sniper Tuned
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February 26th, 2011, 01:04 PM
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#5 |
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Newbie
2003 Mustang GT
13.2@107
Join Date: Feb 2011
Location: Maryland
Posts: 29
iTrader: 0 reviews
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I'm having the same problem. FP reads a constant 90 PSI and the FPS voltage is 5.00 volts
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