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  1. #1
    Chris-gsxr's Avatar
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    Help with limp mode problem

    Cars in limp mode with the fault but the garage I'm using can't find the problem.
    Anyone have any suggestions?
    The code is 00665
    Turbo has been off for inspection. It was clean and in good order
    Dpf cleaned out. Still going in limp mode

    Sorry to re post. Not sure what section was best to post this in

    Hope someone can help


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  3. #2
    Chris-gsxr's Avatar
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    Bump. Anyone?


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  4. #3
    audi-a6's Avatar
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    take it you have checked all your pipes for leaks? Is your "dv" okay? N75 valve and n249 valve okay?
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  5. #4
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    Are they using a generic fault code reader as using something like vcds will give a description of the fault too

    Nothing comes up on ross tech wiki

  6. #5
    audi-a6's Avatar
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    this might be of some use

    16683/P0299/000665 - Boost Pressure Regulation: Control Range Not Reached


    Possible Symptoms
    Reduced Power Output
    Limp Mode

    Possible Causes
    Hoses/Pipes incorrect connected, disconnected or leaking
    Charger Pressure Control defective
    Turbocharger faulty
    Diverter Valve faulty

    Possible Solutions
    Check Hoses/Pipes to/between Components
    Check / Clean / Replace Charge Pressure Control
    Check Turbocharger
    Check Diverter Valve

    Special Notes
    When found in 2.0l TFSI: Check Boost Pressure Control Valve (N249), for cracked rubber diaphragm. A new/optimized Valve is available under Part # 06H-145-710-D (or newer). RoW vehicles see: TPI 2016331 for details.
    NAR vehicles see: TSB 01-07-70 or 2013392 for details.
    Audi a6 2.7 bi-turbo, spax coilovers, 3SDM 19" 10j alloys, full turbo back twin exhaust with RS6 style exits, HID's, DRL's, over sized RS6 spoiler, stage 2 remap, RS4 K&N, Infinity 6x9, infinity door speakers, orion hcca 15 in custom enclosure 1 x hifonics brx2000.1 amp and 2 x hifonics brx 640.4 amps, 2 x yellow top batterys, RS4 turbos, inlet pipes, stage 2 clutch


  7. #6
    Chris-gsxr's Avatar
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    Help with limp mode problem

    Cheers for that, ill pass the info on to see if anything has been overlooked


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