× 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 MIL Lamp on
Posted to Ford Driveability on 9/19/2017 32 Replies

This truck came to me from a used car lot. They said it was running fine when it was traded in and one of the owners drove the truck for a week and it was running fine until the battery died on them. After that it ran rough at idle and start up. Seemed to be c...

32 Replies Received (View Replies)

  Related Documents & Media  2004 Ford F-150 FX4

 
Message Closed w/Summary

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPX14504
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

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 FX4

VIN 1FTPX14504
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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