☰
Login
Join
×
Ask a Question
Questions by Vehicle
Repair Topics
Testing / Diagnostics
Repair & Service Guides
Symptoms
Warning Lights
Trouble Codes
How It Works
Videos
Login
Become a Member
Home
Ford
Windstar
Engine
Symptoms
Lean
1999 Ford Windstar to lean
1999 FORD WINDSTAR
200,000 MILES • 6 CYL • FWD • AUTOMATIC
JOEBME
MEMBER
1 POST
obd codes P0171-P0174 to lean on banks 1 and 2 . how do i fix this?
Aug 10, 2010 at 3:11 PM
RASMATAZ
✓
Experienced Mechanic
75,988 POSTS
Lean fuel condition could be caused by one of the following below:
1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
Aug 10, 2010 at 3:34 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Add image or video
Ask a new question
Frequently Asked Problems for This Vehicle
Engine won't start
→
Check engine light
→