Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Please note that it is not permitted to have referral links posted in your signature. Keep these links contained in the appropriate forum. Thank you.

https://www.boards.ie/discussion/2055940817/signature-rules
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

04 BMW 316 Emissions

  • 12-09-2012 11:50AM
    #1
    DaveCol
    Registered Users, Registered Users 2 Posts: 353 ✭✭


    I had a 04 BMW 316 in for an NCT today which just failed on emissions.
    The strange thing is that the Lambda reading was 1.04 when it should be between 0.97 and 1.03. The tester says it is running too lean and that he ran it twice to see if he could get it to pass. He also said there was no exhaust leaks which could cause this.

    Any thoughts on what needs to be done? Lambda sensor?


Comments

  • #2
    barneygumble99
    Registered Users, Registered Users 2 Posts: 4,451 ✭✭✭barneygumble99


    start the car , seal off the tip of the exhaust with your hand and you'll know if there's a hole in the exhaust if you can't hold your hand there for about ten seconds. Likewise, the fumes are escaping somewhere else if u dont feel pressure on your hand. hole in the exhaust generally causes lamdba readings that are out by as little as 0.01


  • #3
    DaveCol
    Registered Users, Registered Users 2 Posts: 353 ✭✭DaveCol


    Thanks, will try it out tomorrow


Advertisement