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NCT Emissions failed 2000 Almera N16

  • 08-10-2013 7:39pm
    #1
    Tomtata
    Registered Users, Registered Users 2 Posts: 227 ✭✭


    Hi,

    I have a 2000 Almera that failed the NCT on Emissions

    Engine Temp: 91C

    Low Idle CO 1.08%
    (863 rpm) HC 65ppm

    High Idle Lambda: 1.00
    (2,713 rpm) CO 0.09 %
    HC 46 ppm

    Brought it to a garage and they said it might be the Lambda sensor but weren't certain. They also said the catalytic converter & exhaust pipe is clogged but wouldn't confirm what's the best course of action.

    Can anyone recommend how to fix this? Should I go ahead and get the catalytic converter, exhaust pipe & Lambda sensor replaced?

    Thanks, Tom


Comments

  • #2
    dh0011
    Closed Accounts Posts: 890 ✭✭✭dh0011


    be careful those sensors are expensive and if you add in the cost of a new exhaust it could be more than the car.
    I had an almera and it ended up being a money pit. be sure the rest of the car is in good nick before spending a few hundred on this.


  • #3
    antodeco
    Registered Users, Subscribers, Registered Users 2 Posts: 13,631 ✭✭✭✭antodeco


    High revs/limiter for a little bit will declog most things. Bit of dipetane should also help get it through the NCT!


  • #4
    Tomtata
    Registered Users, Registered Users 2 Posts: 227 ✭✭Tomtata


    Thanks for that, Forgot to say it failed twice first time CO 1.39% I put the STP MOT pack additives in and it reduced it from CO 1.39% to CO 1.08%

    I'll try the dipetane and some heavy driving.


  • #5
    cristinm
    Registered Users, Registered Users 2 Posts: 1 ✭cristinm


    I got an Opel Corsa 98.The engine light has been on for 2 years, but I passed 2 consecutive NCTs since. I was told in the garage it has to do with the O2 sensor, but i didn't bother changing it. Every time before the NCT I used STP and it seems that it worked.


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