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2.0tdi EGR delete question

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Rodney5950, Apr 22, 2013.

  1. Rodney5950

    Rodney5950 Member

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    The Following is what i have found wrong with my car:
    3 Faults Found:


    16785 - EGR System
    P0401 - 000 - Insufficient Flow - Intermittent
    Freeze Frame:
    RPM: 1785 /min
    Torque: 46.0 Nm
    Speed: 28.0 km/h
    Load: 23.1 %
    Duty Cycle: 14.7 %
    Bin. Bits: 00101000
    Mass Air / Rev.: 275.0 mg/str
    Mass Air / Rev.: 670.0 mg/str


    16486 - Mass Air Flow Sensor (G70)
    P0102 - 000 - Signal too Low
    Freeze Frame:
    RPM: 798 /min
    Torque: 12.0 Nm
    Speed: 0.0 km/h
    Load: 0.0 %
    Voltage: 14.14 V
    Bin. Bits: 00101000
    Mass Air / Rev.: 280.0 mg/str
    Mass Air / Rev.: 0.0 mg/str


    19558 - Motor for Intake Manifold Flap (V157)
    P3102 - 000 - No Signal
    Freeze Frame:
    RPM: 0 /min
    Torque: 0.0 Nm
    Speed: 0.0 km/h
    Load: 0.0 %
    Voltage: 12.39 V
    Bin. Bits: 00101000
    Torque: 0.0 Nm
    Torque: 220.0 Nm
    the only fault remaining the the top one as i replaced the MAF earlier and cleared the faults and this top ones has been coming back for over a month now.
    The juddering has got a lot better since changing the Injector loom and MAF, ive gone from 8 faults to just 1. My main issue now is that before i replace my EGR which is a year old and was cleaned out last month, i would like to explore removing and replacing with the EGR delete kit from darkside. a few points before i carry on...
    - the egr was dropped in petrol prior to cleaning out the gunk, (the whole unit with the ASV aswel)
    - the engine light came on about an hour after cleaning it and has stayed on since
    - i has the idle speed set to 840RPM and have changed it to 940 with improvement despite being told to turn it down
    - when i turn the car on and off the engine feels like its just been violently cut off

    My confusing comes with this EGR delete kit...i know of the pros and cons but my question is..Could fitting this kit cure the judder provided the EGR valve is faulty? i saw on a post that the solenoid is probably the culprit but from what i see in the below image,The anti shudder valve is retained...the third fault refers to this part am i correct? when the car is left idling and i disconnect this ASV, nothing changes...should this be the case


    [​IMG]
     
    #1 Rodney5950, Apr 22, 2013
    Last edited: Apr 22, 2013
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  3. TDI140

    TDI140 Well-Known Member

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    U need to replace the intake manifold flap as its faulty the big silver thing with a plug in it under the egr its a out £150 from euro car parts and that will sort your car out its new part only as they made the plastick flap hinges inside into metal as the plastic snapped and can be dangerous for the engine if they break off and go inside through the inlet manifold
     
  4. Rodney5950

    Rodney5950 Member

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    thanks mate, just ordered it :) ill update when i get it fitted
     
  5. tdi-man

    tdi-man Well-Known Member

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    also turn idle down to 800 - 810
     

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