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2004 Ford F-150 Heritage XL 4.2L Poor Fuel Economy
Posted to Ford Driveability on 10/10/2011 18 Replies

hi guys need help. have been furiously working on trying to get short term fueltrims to go below 33% at idle and 24%long term while driving. as stated above in repair history, all the normal repairs have been done. and no i have not just been throwing parts at...

18 Replies Received (View Replies)

  Related Documents & Media  2004 Ford F-150 Heritage XL

 
Message Closed w/Summary

car Vehicle Data

2004 Ford F-150 Heritage XL

VIN 2FTRF172XC
Engine4.2 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.Codes P0171,P0174

Trouble Codes

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

car Vehicle Data

2004 Ford F-150 Heritage XL

VIN 2FTRF172XC
Engine4.2 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.Codes P0171,P0174

Trouble Codes

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