× 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
2001 Ford Focus ZX3 2.0L MIL Lamp on
Posted to Ford Driveability on 4/4/2007 6 Replies

I have this headache!! Its a 01 focus it has been in my shop on and off for the past year with the same code P0171. My long term fuel trim is around 25% and the short is about .3 +/-. It has has a new o2 sensor, mass air flow, fuel pump (at the dealer) I repla...

6 Replies Received (View Replies)

  Related Documents & Media  2001 Ford Focus ZX3

 
Message Closed w/FIX

car Vehicle Data

2001 Ford Focus ZX3

VIN 3FAFP31391
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Ford Focus ZX3

VIN 3FAFP31391
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)