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2001 Ford F-150 Lariat 5.4L MIL Lamp on, power loss
Posted to Ford Driveability on 7/29/2010 7 Replies

calling ford experts. i have a headache ford here.

my question is, what exactly is the fuel pressure supposed to be? every source i can find says that it is supposed to be 30-45, but the way it behaves at that range, and the way it behaves now, indicates that...

7 Replies Received (View Replies)

  Related Documents & Media  2001 Ford F-150 Lariat

 
Message Closed w/Summary

car Vehicle Data

2001 Ford F-150 Lariat

VIN 1FTRX08L51
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Power Loss
OccursUnder Load, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1285Fuel Injection Pump Controller Always On
Message Closed w/Summary

car Vehicle Data

2001 Ford F-150 Lariat

VIN 1FTRX08L51
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Power Loss
OccursUnder Load, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1285Fuel Injection Pump Controller Always On