Monster MotorsportEM Tuning
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  1. #1
    vw754's Avatar
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    A4 CAB FAULT CODES ANYONE??????? 1.8 TURBO PETROL

    16825/P0441/001089 - EVAP Emission Control Sys: Incorrect Flow

    17705 Pressure drop between turbo and throttle valve
    Full leather/19"wheels/cruise/

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  3. #2
    CHRIS555's Avatar
    DOPE with added OCD

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    Crankcase Breather Valve - me thinks! I will find the previous thread and link you

  4. #3
    CHRIS555's Avatar
    DOPE with added OCD

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    Just double checked my old codes and that was one of them so these 2 links should see you all sorted - let me know how you get on!

    A4 1.8T -Idle speed fluctuating and Camshaft Position Sensor fault!

    http://www.audi-sport.net/vb/a4-a4-cabriolet-s4-forum-b6-chassis/104028-crankcase-breather-valve-location.html

  5. #4
    vw754's Avatar
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    Quote Originally Posted by CHRIS555 View Post
    Just double checked my old codes and that was one of them so these 2 links should see you all sorted - let me know how you get on!

    A4 1.8T -Idle speed fluctuating and Camshaft Position Sensor fault!

    http://www.audi-sport.net/vb/a4-a4-cabriolet-s4-forum-b6-chassis/104028-crankcase-breather-valve-location.html
    thanks for the info...car is misfiring but revs not fluctuating,only misfirinf on idle but drives ok?
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  6. #5
    CHRIS555's Avatar
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    Defo the breather valve 100% the sure sign is the misfiring (windy feeling) at idle - it always did my head in first thing in the morning, sat on the drive feeling like the car was being battered by the wind!!!

  7. #6
    vw754's Avatar
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    il get one of them first then looking at it.....its not too expensive
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  8. #7
    AU01 A4's Avatar
    1st Gear

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    Change the ufo thinge aswell it about 25, i thing it called the pressure regulator valve
    Audi A4 1.8T quattro S Line Avant

  9. #8
    CHRIS555's Avatar
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    Quote Originally Posted by AU01 A4 View Post
    Change the ufo thinge aswell it about 25, i thing it called the pressure regulator valve
    The Starship Enterprise!!

    Yeah, good point, worth chaning the Pressure Reg Valve (PRV) as well - it's the black disc like valve at the top/back of the engine, just above the big engine cover. You can get the part number of it.

  10. #9
    vw754's Avatar
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    Thanks il go with the first part then take it from there,got the purge canister already so may aswel change that.
    Full leather/19"wheels/cruise/

 

 

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