× 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
1996 Ford F-250 XLT 7.5L MIL Lamp on
Posted to Ford Driveability on 7/12/2010 12 Replies

I'm getting lean codes P0171 and P0174. Also a P0153 for B2S1 O2 Sensor Slow Response. O2 Sensors are lazy, but switching. Long Term Fuel Trims are about 0-5% at idle and heavy acceleration, but at light acceleration and cruise, they jump up to 15-20%. I disco...

12 Replies Received (View Replies)

  Related Documents & Media  1996 Ford F-250 XLT

 
Message Closed w/FIX

car Vehicle Data

1996 Ford F-250 XLT

VIN 1FTHX26G8T
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1996 Ford F-250 XLT

VIN 1FTHX26G8T
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)