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2.0T flat spot, helf needed?

t111bul May 20, 2012

  1. t111bul

    t111bul New Member

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    Hi guys,

    I have a 2005 2.0T Quattro that has developed a flat sopt at around 4500rpm. I haven't had a chance to get fault codes checked yet. I have had a quick look and found that each coil pack pushed back in bit but thats all that i could see. Has anyone had this problem? Is there anything else i should check?

    Thanks

    Tim
     
  2. Craig Cull

    Craig Cull Well-Known Member

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    Hi mate, check the diverter valve, when worn they tend not to hold boost. But it will probably bring up a fault code aswell.
    Mine was the same. Or possibly check the condition of the plugs.
     
  3. t111bul

    t111bul New Member

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    Thanks craigcull i'll have a look at the diverted valve and see what condition it's in. I'll also go and see how much a new one is.
     
  4. Craig Cull

    Craig Cull Well-Known Member

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    There about £56 from Audi mate. :)
     
  5. hades-

    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    the DV dont always cause a light on the dash
    and the car would feel flat as **** not just at 4500 rpm
    but worth checking
     
  6. APAutomotive

    APAutomotive Shark Performance Shropshire

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  7. Craig Cull

    Craig Cull Well-Known Member

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    mine didnt bring the light on, but still logged a code.
     
  8. t111bul

    t111bul New Member

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    Hi guys,Took the diverter valve out last night and the diaphragm is torn! I have ordered one for £52 and it's coming tomorrow. I'm still going to check for fault codes this weekend when I can get access to my father inlaws computer.
     
  9. t111bul

    t111bul New Member

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    Here's my old diverter valve!![​IMG][​IMG]
     
  10. Roadrunner146

    Roadrunner146 Member

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    I am tempted to look at mine sooner rather than later as my 2.0t quattro seems a little low on grunt.
    My old 1.8T Passat seemed quicker.
    How long a job is it , to take out and put back.
    Brad.
     
  11. Blackie

    Blackie Active Member

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    About 15 mins
     
  12. t111bul

    t111bul New Member

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    I have been using the car for a few days now and there is no flat spot anymore. I stills feel not as quick as it did so i have now check for fault codes and this is what i've got.

    012555 - Low Pressure Fuel regulation
    P310B - 008 - Fuel Pressure Outside Specification - Intermittent
    Freeze Frame:
    Fault Status: 00101000
    Fault Priority: 0
    Fault Frequency: 136
    Mileage: 93543 km
    Time Indication: 0

    Freeze Frame:
    RPM: 1309 /min
    Load: 28.2 %
    Speed: 2.0 km/h
    Temperature: 0.0°C
    Temperature: 0.0°C
    Absolute Pres.: 1030.0 mbar
    Voltage: 14.478 V

    012600 - Intake Manifold Runner Control
    P3138 - 008 - Regulation Deviation
    Freeze Frame:
    Fault Status: 01101000
    Fault Priority: 0
    Fault Frequency: 1
    Mileage: 99156 km
    Time Indication: 0

    Freeze Frame:
    RPM: 3721 /min
    Load: 29.4 %
    Speed: 80.0 km/h
    Temperature: 85.0°C
    Temperature: 15.0°C
    Absolute Pres.: 1000.0 mbar
    Voltage: 14.224 V

    008200 - Intake Manifold Flap; Bank 1
    P2008 - 001 - Electrical Malfunction
    Freeze Frame:
    Fault Status: 01100001
    Fault Priority: 0
    Fault Frequency: 1
    Mileage: 99156 km
    Time Indication: 0

    Freeze Frame:
    RPM: 3717 /min
    Load: 29.4 %
    Speed: 81.0 km/h
    Temperature: 85.0°C
    Temperature: 15.0°C
    Absolute Pres.: 1000.0 mbar
    Voltage: 14.224 V

    000665 - Boost Pressure Regulation
    P0299 - 002 - Control Range Not Reached - Intermittent
    Freeze Frame:
    Fault Status: 00100010
    Fault Priority: 0
    Fault Frequency: 1
    Mileage: 99239 km
    Time Indication: 0

    Freeze Frame:
    RPM: 4597 /min
    Load: 85.1 %
    Speed: 99.0 km/h
    Temperature: 87.0°C
    Temperature: 31.0°C
    Absolute Pres.: 1010.0 mbar
    Voltage: 13.970 V
     

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