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2004 Ford F-150 XLT 5.4L MIL Lamp on, No power and rattle
Posted to Ford Driveability on 4/19/2010 13 Replies

The complaint is that the truck will not accelerate above 3000rpm under load and at about that point begins to rattle pretty bad. It feels ok at cruise or light accel. The LT fuel trims= B1+29% and B2+10%. The fuel rail was removed and injector inlets inspecte...

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  Related Documents & Media  2004 Ford F-150 XLT

 
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 XLT

VIN 1FTPW12574
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Power and Rattle
OccursAlways, Under Load, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 XLT

VIN 1FTPW12574
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Power and Rattle
OccursAlways, Under Load, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)