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2003 Ford F-150 King Ranch 4.6L Poor Idle Quality, Hesitation, MIL Lamp on
Posted to Ford Driveability on 9/17/2010 12 Replies

Acting very odd, dtc's set very fast, for bank 1 lean, and bank 2 rich. Oxygen sensors test correct, and in addition to the above mentioned maintence done, the truck was tested for an intake leak, and nothing was found. Fuel pressure is within specs, and the i...

12 Replies Received (View Replies)

  Related Documents & Media  2003 Ford F-150 King Ranch

 
Message Closed w/Summary

car Vehicle Data

2003 Ford F-150 King Ranch

VIN 1FTRW076X3
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport fuel injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursAlways
Misc.4.6L Sohc F150

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

2003 Ford F-150 King Ranch

VIN 1FTRW076X3
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport fuel injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursAlways
Misc.4.6L Sohc F150

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)