× 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
1999 Ford Windstar 3.8L MIL Lamp on
Posted to Ford Driveability on 12/28/2003 57 Replies

I'm hoping Ford techs have run into this one. I have a windstar that comes back to the shop about once a month for the last three months. The vehicle came in with two leans codes po171 po174. No vaccum leaks, fuel pressure fine. This problem when it does occur...

57 Replies Received (View Replies)

  Related Documents & Media  1999 Ford Windstar

 
Message Closed w/Summary

car Vehicle Data

1999 Ford Windstar

VIN 2FMZA514OX
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently, Can't Nail Down Consistancy

Trouble Codes

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

car Vehicle Data

1999 Ford Windstar

VIN 2FMZA514OX
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently, Can't Nail Down Consistancy

Trouble Codes

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