× 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
2006 Ford F-250 Super Duty XLT 5.4L MIL Lamp on, low power
Posted to Ford Driveability on 7/24/2014 31 Replies

Ok here we go. 5.4 3v. Customer brought truck in stating he just had spark plugs replaced(at a dif shop) and ever since then it sets p0171/174 and has low power. by low power i mean it will go hwy speeds ok but is just not the power it should be. like maybe 75...

31 Replies Received (View Replies)

  Related Documents & Media  2006 Ford F-250 Super Duty XLT

 
Message Closed w/Summary

car Vehicle Data

2006 Ford F-250 Super Duty XLT

VIN 1FTSW21596
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Low Power
OccursAlways

Trouble Codes

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

car Vehicle Data

2006 Ford F-250 Super Duty XLT

VIN 1FTSW21596
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Low Power
OccursAlways

Trouble Codes

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