Does a lambda sensor always bring eml on?

  1. Saxperience Forum Bum Joined: Mar 2009 Stoke-on-trent Posts: 2640 Mk5 Golf GTTDI Mk2 VTR Project
    #1
    Just wondering as im suspecting my before cat lambda might be buggered, my cars over fueling slightly but I have no check engine light
  2. Saxperience Hardcore! Joined: Dec 2007 smurfland. Posts: 17346 Ex saxo owner.
    #2
    Not always eml can be brought on by anything in the fueling system such as injectors etc.
  3. Frequent Poster Joined: May 2010 Ilford Posts: 558 Saxo Mk2 VTR, PUG 308
    #3
    Quote:
    Originally Posted by stevo67 View Post
    Not always eml can be brought on by anything in the fueling system such as injectors etc.
    yep as above, i had alot of eml lights come on because of fueling

    a few example of mine
    fuel trim
    map sensor