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VW Golf NCT

  • 14-04-2018 1:54pm
    #1
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭


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Comments

  • #2
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #3
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    You need some proper diagnostics done


  • #4
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #5
    jca
    Closed Accounts Posts: 8,585 ✭✭✭jca


    Prisoner 6753 wrote: »
    I have an awful feeling that changing the coolant temperature sensor is half my problem

    Why would you think that? Is the temperature gauge acting strangely? You need to fix the leak in the exhaust and get the lambda reading back to 1.00, then the fun begins!!


  • #6
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #7
    jca
    Closed Accounts Posts: 8,585 ✭✭✭jca


    Prisoner 6753 wrote: »
    From what I’m told the engine isn’t getting enough air at low idle

    Or too much fuel.... You really need to get it diagnosed first, that will give you somewhere to start from.


  • #8
    ayux4rj6zql2ph
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  • #9
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #10
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    Prisoner 6753 wrote: »
    This post has been deleted.

    Did it say heater circuit open? this wont affect emissions but should have your engine light on


  • #11
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #12
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    Prisoner 6753 wrote: »
    This post has been deleted.

    How good was the diagnostic system? Typically you will see heater circuit open but not the actual control side


  • #13
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #14
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    Prisoner 6753 wrote: »
    This post has been deleted.

    I think time for a proper mechanic and diagnostic system. Id be 90% sure its only your heater circuit there which means you do need a new sensor but wont affect emissions.


  • #15
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #16
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    Prisoner 6753 wrote: »
    This post has been deleted.
    a lambda sensor has 2 sides, a control side and a heater side and if its only the heater side thats failed then once the car is warm it wont affect your emissions in any way. Its hard to say on the internet whether your control side is bad of course, I'm only going from the data you provided


  • #17
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #18
    rex-x
    Registered Users, Registered Users 2 Posts: 1,893 ✭✭✭rex-x


    Prisoner 6753 wrote: »
    This post has been deleted.
    The best thing to do is let the mechanic sort it out. Although the jobs list you have given there is quite costly.... 2 sensors alone are over 350 euro


  • #19
    ayux4rj6zql2ph
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  • #20
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #21
    mullingar
    Registered Users, Registered Users 2 Posts: 5,340 ✭✭✭mullingar


    Quiet high HC reading at idle, so between that and high CO, it's an incomplete burn from either too little air or too much fuel.

    First thing I'd do is a decent service and check the coolant sensor.


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  • #22
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #23
    mullingar
    Registered Users, Registered Users 2 Posts: 5,340 ✭✭✭mullingar


    It could be something as simple as a leaking injector causing over fuelling so at idle it's running rich and at high revs the leak is not as relavent.


    Easiest way to check is let it idle for a few mins then remove each plug, if any are wet, there is your problem


  • #24
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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  • #25
    ayux4rj6zql2ph
    Closed Accounts Posts: 3,001 ✭✭✭ayux4rj6zql2ph


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