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emissions on a 1.6 petrol passat:(

  • 04-11-2010 11:24pm
    #1
    Volvic man
    Closed Accounts Posts: 23 ✭


    ive got a 1.6 petrol passat and it recently went threw the nct
    passed on everything exept emissions
    roughly they were in the 5.3 area when there ment to be in the 0.6 area
    i chaged the cat i stuck a spurious one in no difference
    i stuck a genuine one in and no difference
    theres a terrible smell of unburnt fuel (sometimes) from the back of the car,,,,all the coil packs and plugs are working fine,i done a compression test on the cylenders and nothing outta the ordinarey appeard,and i done a sniff test on the coolent bottle to no problims there so the gasket is still doin its job
    the car is serviced regularly and well maintained
    the car has 270k on it (doesin help matters)

    any ideas
    thanks


Comments

  • #2
    mickdw
    Registered Users, Registered Users 2 Posts: 23,688 ✭✭✭✭mickdw


    Why throw money at cats without a diagnosis? Take it to someone who actually knows what they are doing


  • #3
    johnos1984
    Closed Accounts Posts: 6,096 ✭✭✭johnos1984


    mickdw wrote: »
    Why throw money at cats?
    The Chinese reckon it brings good luck

    MoneyCat.jpg

    As Mick said get a proper diagnostic test done otherwise your wasting your money on the car


  • #4
    mickdw
    Registered Users, Registered Users 2 Posts: 23,688 ✭✭✭✭mickdw


    Very good..... I knew the wording was a bit dodgy when I posted it.


  • #5
    Caolan1
    Registered Users, Registered Users 2 Posts: 6 ✭Caolan1


    Could be a problem with the ECU so a diagnostics could show up the problem.
    Possibly a lambda sensor. There might be a pre and post Lambda sensor on your car.

    If unburnt fuel is getting past the engine it will be burned in the CAT and it will damage if not wreck it altogether. My coil pack failed and sent unburned fuel into the CAT and had it glowing but it still works fortunately.

    Hope you can get it sorted.


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