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2002 Ford F-150 XL 4.2L MIL Lamp on
Posted to Ford Driveability on 3/14/2011 24 Replies

Need serious help! Came in as a "routine" double lean code. As you can see by repair history with no success, we need help. Tech found TSB after repairs, every test passed. Well...none of this fixed it, now we are eating it. Tests indicated what to fix, but oh...

24 Replies Received (View Replies)

  Related Documents & Media  2002 Ford F-150 XL

 
Message Closed

car Vehicle Data

2002 Ford F-150 XL

VIN 1FTRX17222
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise, Operating Temp.

Trouble Codes

P1171Fuel System Lean During Acceleration Detected
P1174Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High
Message Closed

car Vehicle Data

2002 Ford F-150 XL

VIN 1FTRX17222
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise, Operating Temp.

Trouble Codes

P1171Fuel System Lean During Acceleration Detected
P1174Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High