× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2004 Ford F-150 FX4 5.4L Poor Idle Quality
Posted to Ford Driveability on 1/7/2010 5 Replies

cleared codes, cleaned induction system, added 1/2 qt trans fluid to engine and roadtest, only lean/rich codes came back, idles crappy. reset kam and recheck fuel trims, adding fuel and removing fuel on other bank..

5 Replies Received (View Replies)

  Related Documents & Media  2004 Ford F-150 FX4

 
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14564
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14564
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)