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NCT Smoke

  • 21-01-2022 9:10pm
    #1
    jimbobmalones
    Registered Users, Registered Users 2 Posts: 152 ✭✭


    Hi All


    My toyota 2.0d4d Car passed its NCT smoke test with reading of 0.75 however on its last two tests

    (one was 8 months ago) is was 0.09. What would cause such a deterioration in just 8 months?

    Car is well minded and regularly serviced etc... Any ideas?


    J



Comments

  • #2
    Atlantic Dawn
    Registered Users, Registered Users 2 Posts: 84,733 ✭✭✭✭Atlantic Dawn
    M


    Would your driving style have changed with Covid where you are not doing much non urban driving? Had you been sitting in the car in NCT car park with engine running before the test?



  • #3
    jimbobmalones
    Registered Users, Registered Users 2 Posts: 152 ✭✭jimbobmalones


    Thanks for the comment - car was well warmed up and I didn't do anything differently

    from last time. Glad it passed was just wondering whether it indicated deterioration in engine or

    seals or something like that.



  • #4
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,610 ✭✭✭CoBo55


    Coming up on a service maybe? That engine can chew the oil to bits when it's getting near service time.



  • #5
    jimbobmalones
    Registered Users, Registered Users 2 Posts: 152 ✭✭jimbobmalones


    Yes indeed - will change oil before next one. Thanks



  • #6
    jimbobmalones
    Registered Users, Registered Users 2 Posts: 152 ✭✭jimbobmalones


    PS

    What would you regard as decent oil interval on D4D 2.0 engines? Toyota say 15k KM



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  • #7
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,610 ✭✭✭CoBo55


    Toyota engines tend to dictate the intervals themselves 🙂, the level will stay on max for ages and all of a sudden it starts to drop as it becomes due, I'd stick closer to 10k.



  • #8
    [Deleted User]
    Posts: 468 ✭✭ [Deleted User]


    https://www.boards.ie/discussion/comment/118531213#Comment_118531213

    All depends by load and oil/filter quality. You can ask to reduce or increase the service remainder km/time



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