p0171 bank one too lean?

2001 FORD TAURUS
160,000 MILES • 3.0L • 6 CYL • AUTOMATIC
Avatar
LAURA SCHENBERG
  • MEMBER
  • 1 POST
I have checked for vacuum leaks no results changed fuel filter, but when I changed it it looked a tad bit smaller than the one I took off. ports all fit so I figured it was fine, any way idle did not get better so I changed the plugs still has check engine on. Also cannot fill my gas tank pump keeps shutting off after about five or six cents. I think that could be a return line for fumes to escape clogged but cannot find clog either.
Aug 13, 2016 at 8:30 PM
Advertisement
Avatar
SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
The p0171 is most likely a vacuum leak I know you said you could find one, but most likely a vacuum leak. Best way to find a vacuum leak is to inject smoke into the vacuum system and look for escaping smoke. Also check the fuel pressure to rule that out. For the not taking gas at the pump sounds like a vent valve that could be stuck shut. They are back by the gas tank.
Aug 14, 2016 at 2:44 AM
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.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.