Mechanics

AUDI A4 SENSOR PROBLEM

2006 Audi A4 • 60,000 miles

I have a po171 code. Possible causes.
Avatar
Guest
November 18, 2012.




P0171 System too Lean (Bank 1) where cylinder no.1 side-Could be a dirty MAF sensor, Front oxygen sensor, vacuum leak, EGR valve, weak fuel pump and faulty injector/s

Tiny
Rasmataz
Nov 18, 2012.


AD