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  1. Help with emissions ... 
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    CarlyTom
    CarlyTom is offline One Post Wonder
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    Default Help with emissions ... – 25-09-2014,06:09 PM
    Hello all, just after some advice or knowledge.

    Have a 1998 1.8 Passat and it failed MOT on emissions ... Anyway I took the car and had my mechanic fix it. He replaced the shot cat and also gave it a full service.

    Took it back for a retest and the emissions were even worse I have posted both results below.

    Test 1
    CO - 2.685
    HC - 279
    Lambda - 0.943

    Test 2 (After replacing Cat and Service)
    CO - 7.620
    HC - 402
    Lambda - 0.733

    What else could be wrong? There are no warning lights on the dash, the car is running like a dream.
     
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  2. Re: Help with emissions ... 
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    Doctle Odd's Avatar
    Doctle Odd
    Doctle Odd is offline Hit The Redline
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    Default Re: Help with emissions ... – 25-09-2014,08:48 PM
    Get your mechanic to scan the car and check all the pipework and vacuum lines
     
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  3. Re: Help with emissions ... 
    #3
    JustinM3's Avatar
    JustinM3
    JustinM3 is offline 1st Gear
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    Default Re: Help with emissions ... – 20-10-2014,02:13 PM
    Lambda sensor.
    But also looks like engine was cold.
     
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