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  1. #1
    Zappa's Avatar
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    80 sport co2 emissions to high

    anyone help my 1994 80 2.0sport 8v the exhaust emissions are to high ,have replaced the air flow meter and used cataclean but no luck anyone have any suggestions please

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  3. #2
    Rev-head's Avatar
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    Lambda sensor will sort out your problem
    Urq RR
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  4. #3
    Zappa's Avatar
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    cheers, any idea where i can find it? have looked around the exhaust manifold but cant see it. also is it easy to replace?

  5. #4
    Rev-head's Avatar
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    Buy here
    https://secure.gsfcarparts.com/shop/next.asp

    And it is screwed into the down pipe on your exhaust

    easy to replace ..good idea to buy socket for taking off has split in it to slip wire through

    Looks like this
    Last edited by Rev-head; 9th August 2007 at 22:37.
    Urq RR
    S2 Coupe...RS2 +
    S2 Avant (slipper wagon spec)
    A4 AVANT TDI

  6. #5
    Zappa's Avatar
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    cheers mate still havent replaced it yet as my fuel pump went,hopefully everything will be sorted by the weekend

  7. #6
    Zappa's Avatar
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    cheers rev that was the problem along with a couple of other small issues

  8. #7
    audi80sport's Avatar
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    hay zappa i got an 8v sport have you ever had low oil prressure problems? or anyone for that matter? and how or what do you change?

  9. #8
    Rev-head's Avatar
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    What do you mean as in low below 3 bar when warm
    Urq RR
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    A4 AVANT TDI

  10. #9
    enda1's Avatar
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    Quote Originally Posted by audi80sport
    hay zappa i got an 8v sport have you ever had low oil prressure problems? or anyone for that matter? and how or what do you change?
    Low pressure as in the warning lights coming on or actual low measured oil pressure, does your car have a pressure guage or just the warning lights
    Enda1

    96 S6 2.3T
    99 A6 1.8T SE
    93 80 2.0 (gone)
    93 Kawasaki ZZR600

  11. #10
    audi80sport's Avatar
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    sorry for late reply it has the gauge and a warning light...story is when i start it up the usual 1-2 seconds of tappets going nuts then the oil gets to the top and all is smooth...the oil pressure by the gauge is nearly 5 bar but strange thing is as the car warms up the oil pressure goes down accordingly? the oil temp sits at about 1/3 but when the gauge hits zero thats when the oil pressure warning light kicks in as you would expect but the oil pipe coming round and up to the sender unit still feels pressurised? is the sender buggering up or is there actually a problem with the pressure when warm? im stumped...

  12. #11
    enda1's Avatar
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    As the oil heats up it becomes less viscous and flows easier so you would expect the pressure to fall a bit.
    My car doesn't have the gauge just the warning light but it has 2 oil pressure switches, the low pressure and the high pressure. i had a problem where the oil pressure light and buzzer would come on and I checked both senders and they both seemed to be fine. i replaced the high but no change, so eventually i bought a manual oil pressure gauge that connects into where the senders are screwed in. Ran the engine and the oil pressures are all with in spec so it most be a problem with the gauges. in the short term i disconnected the buzzer and light and now I check the oil pressure manually everytime i change the oil
    Enda1

    96 S6 2.3T
    99 A6 1.8T SE
    93 80 2.0 (gone)
    93 Kawasaki ZZR600

 

 

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