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2008 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Hesitation, Stall, Misfire
Posted to Ford Driveability on 8/13/2015 15 Replies

Had this truck come in for a misfire and found only 27 psi fuel pressure. We commanded the fuel pump duty cycle with IDS and could not get pressure any higher. We put 12v to the pump directly and pressure did not raise. So we replaced pump with motorcraft and ...

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car Vehicle Data

2008 Ford F-250 Super Duty XLT

VIN 1FTNX205X8
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Misfire
Occurs1 Week After New Pump

Trouble Codes

P0191Fuel Rail Pressure Sensor Circuit Performance
P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2008 Ford F-250 Super Duty XLT

VIN 1FTNX205X8
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Misfire
Occurs1 Week After New Pump

Trouble Codes

P0191Fuel Rail Pressure Sensor Circuit Performance
P0300Multiple Misfire Detected