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Nct fail on emissions

  • 16-01-2015 2:30pm
    #1
    Gavpoolking
    Registered Users, Registered Users 2 Posts: 8 ✭


    Hi my car failed on emissions at the nct on December 12 2014 low idle was 2.78 vol% anything above 0.50 vol% is fail and 0.56 vol% on high idle 0.30% is fail would living only a 2 minute drive from the test centre have anything to do with it as car was ice cold as it was a freezing morning test was at 08.45 and ice covered car I also drive to work everyday stop start rush hour traffic never gets a run on the motorway could given it a run on motorway help?????also added a litre of diptane last week to help any suggestions would be great re-test end of January car is a Renault meganne 2000 last years nct was 0.0vol% on emissions but live in Wicklow then and always had car on motorway .... Would appreciate any suggestions or diagnosis ....... Many thanks


Comments

  • #2
    Big Nasty
    Registered Users, Registered Users 2 Posts: 22,080 ✭✭✭✭Big Nasty


    Do you have a pet cow maybe?


  • #3
    Gavpoolking
    Registered Users, Registered Users 2 Posts: 8 ✭Gavpoolking


    Haha new to this not sure how to change that just re-type in nct forum only way ???? Thanks


  • #4
    Big Nasty
    Registered Users, Registered Users 2 Posts: 22,080 ✭✭✭✭Big Nasty


    Gavpoolking wrote: »
    Haha new to this not sure how to change that just re-type in nct forum only way ???? Thanks

    Ask the forum mod to move it to Motors. ;)


  • #5
    Gavpoolking
    Registered Users, Registered Users 2 Posts: 8 ✭Gavpoolking


    Thanks will do


  • #6
    Big Nasty
    Registered Users, Registered Users 2 Posts: 22,080 ✭✭✭✭Big Nasty


    A good motorway run will surely help the morning of the test along with the dipetane. The engine was probably not up to operating temp the morning of the test.


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  • #7
    Gavpoolking
    Registered Users, Registered Users 2 Posts: 8 ✭Gavpoolking


    That's great thanks for your input hopefully that's all it is don't need more bills in January


  • #8
    DBB
    Moderators, Recreation & Hobbies Moderators Posts: 9,790 Mod ✭✭✭✭DBB


    Moving to Motor forum, please be aware the a different charter applies now :)
    Thanks,
    DBB


  • #9
    moleyv
    Registered Users, Registered Users 2 Posts: 1,580 ✭✭✭moleyv


    I remember when not first came out my sisters car failed on emissions. Anyway she went back to her garage and they tested it and said it was within limits. They recommended 'driving it hard and revving the **it out of it' on the way to the re test.

    It worked but not sure if that is the proper technical or mechanical solution


  • #10
    Gavpoolking
    Registered Users, Registered Users 2 Posts: 8 ✭Gavpoolking


    Had car in today drove it in third and forth gear hard up the motorway for 20 mins before test car PASSED!!!emissions were 0.00% vol on high and low idle I'm sure the diptane helped too that I put in 10 days before test very happy and no mechanic involved easy fix


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