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2004 Ford F-150 FX4 5.4L Poor Idle Quality, Surge, Cuts out
Posted to Ford Driveability on 4/27/2021 9 Replies

Hello all, this F-150 came to us after engine replacement (used). At first timing chains rattled on start up, bank one vct sitting at -16 degrees of error. Also no power and p2106. We removed the timing cover to find bank one chain off by one tooth. Timing...

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car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14544
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P2106Electronic Throttle Control System - Forced Limited Power
Open Help Request

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14544
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P2106Electronic Throttle Control System - Forced Limited Power