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2005 Ford F-150 STX 4.6L MIL Lamp on
Posted to Ford Driveability on 9/25/2018 10 Replies

This truck came to us with the MIL on and a slight idle disturbance at times. Only the P0171 was present. B1 LT trim was 26% and ST was hovering around zero, B2LT was around 8% and ST also around zero. A smoke test revealed the intake was leaking at the #4...

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  Related Documents & Media  2005 Ford F-150 STX

 
Message Closed w/FIX

car Vehicle Data

2005 Ford F-150 STX

VIN 1FTRX12W35
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2005 Ford F-150 STX

VIN 1FTRX12W35
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)