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  1. Audi TT Mk1 225bhp NON STARTER 
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    Hi All,

    I am haveing a starting problem with my Audi TT Mk1 225bhp APX engine code 2000year.

    Car ran spot on for the last few months, came out last weekend turns over as normal just not firing into live.

    I have lent my Vagcom out so rang the RAC they came out, bloke said there is no sound from the fuel pump, jacked the car up and when turning the engine over knocked the bottom of the fuel tank with hammer.
    He then stood up and said 'The fuel pump is not working'
    He then plugged the RAC diagnostic kit in and came back with the fault code:

    DTC 16706 Engine speed sensor input circuit no signal ('There is no engine RPM signal in Live data when turning the engine over, I would therefore say the Engine speed sensor (crankshaft sensor) is faulty.

    I have now replaced the Crankshaft sensor, turned the engine over still not starting and no sound from the fuel pump, I have now replaced the fuel pump. Still the same situation the engine does not start and no sound from the fuel pump.

    I have checked the fuel pump 20amp fuse and this is Good, I have also felt a 'Click' from the fuel pump relay (number 167)

    Any one got any ideas please, is the car fitted with a crash inertia switch that could be causing this none start??

    All ideas greatly received thanks
    Last edited by mumutley; 06-09-2020 at 09:10 PM.
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  2. Re: Audi TT Mk1 225bhp NON STARTER 
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    The crash inertia response is built into the air bag system. Can I just check with you that there is communications with the engine ECU? Ones powers are diminished by shingles but at the moment no one gives a ****.
    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

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  3. Re: Audi TT Mk1 225bhp NON STARTER 
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    Quote Originally Posted by Crasher View Post
    The crash inertia response is built into the air bag system. Can I just check with you that there is communications with the engine ECU? Ones powers are diminished by shingles but at the moment no one gives a ****.
    OUCH Shingles and when children get Chickenpox all adults want to do is play dot to dot!!

    OK thanks for the info regarding the crash inertia.

    The RAC bloke did moan it took ages to obtain a response from the engine module, I have arranged for my Vagcom to be returned in the next few days I will then complete a full vehicle scan myself and post the findings on here to see what can be done

    Thanks
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  4. Re: Audi TT Mk1 225bhp NON STARTER 
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    yes, it hits me when I am stressed and run down, I must have picked up a stomach bug (how I don't know with all the hand wipes I use) and with life as it is, shingles hit me but I have to keep going... doing a Fabia cam belt at the moment.

    With VCDS I would expect easy comms with the engine ECU, ignition on and a good battery.
    Last edited by Crasher; 20-04-2020 at 03:31 PM.
    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
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  5. Re: Audi TT Mk1 225bhp NON STARTER 
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    Quote Originally Posted by mumutley View Post
    Hi All,

    I am haveing a starting problem with my Audi TT Mk1 225bhp 2000year.

    Car ran spot on for the last few months, came out last weekend turns over as normal just not firing into live.

    I have lent my Vagcom out so rang the RAC they came out, bloke said there is no sound from the fuel pump, jacked the car up and when turning the engine over knocked the bottom of the fuel tank with hammer.
    He then stood up and said 'The fuel pump is not working'
    He then plugged the RAC diagnostic kit in and came back with the fault code:

    DTC 16706 Engine speed sensor input circuit no signal ('There is no engine RPM signal in Live data when turning the engine over, I would therefore say the Engine speed sensor (crankshaft sensor) is faulty.

    I have now replaced the Crankshaft sensor, turned the engine over still not starting and no sound from the fuel pump, I have now replaced the fuel pump. Still the same situation the engine does not start and no sound from the fuel pump.

    I have checked the fuel pump 20amp fuse and this is Good, I have also felt a 'Click' from the fuel pump relay (number 167)

    Any one got any ideas please, is the car fitted with a crash inertia switch that could be causing this none start??

    All ideas greatly received thanks
    If you say the fuel pump relay is operating OK, it can then only be the wiring to the fuel pump or the pump itself.
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  6. Re: Audi TT Mk1 225bhp NON STARTER 
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    Quote Originally Posted by Crasher View Post
    yes, it hits me when I am stressed and run down, I must have picked up a stomach bug (how I don't know with all the hand wipes I use) and with life as it is, shingles hit me but I have to keep going... doing a Fabia cam belt at the moment.

    With VCDS I would expect easy comms with the engine ECU, ignition on and a good battery.
    Hi Crasher/ All,

    I have Vagom back now and read fault codes:

    Address 01: Engine Labels: 06A-906-032-APX.clb
    Part No: 8N0 906 018 AE
    Component: 1.8L R4/5VT 0001
    Coding: 05710
    Shop #: WSC 00000
    VCID: 74E7BAF5446ABCE1DB-515E

    2 Faults Found:
    16706 - Engine Speed Sensor (G28)
    P0322 - 35-00 - No Signal
    18010 - Power Supply Terminal 30
    P1602 - 35-10 - Voltage too Low - Intermittent

    Cleared fault codes cycled ignition and tried to start the engine P0322 permanent fault code:

    Address 01: Engine Labels: 06A-906-032-APX.clb
    Part No: 8N0 906 018 AE
    Component: 1.8L R4/5VT 0001
    Coding: 05710
    Shop #: WSC 00000
    VCID: 74E7BAF5446ABCE1DB-515E

    1 Fault Found:
    16706 - Engine Speed Sensor (G28)
    P0322 - 35-00 - No Signal

    I have replaced engine speed sensor (crankshaft position sensor) and fault is still present

    Any ideas please
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  7. Re: Audi TT Mk1 225bhp NON STARTER 
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    You will have to trace the wiring back to the ECU, there is a plug on the box which can get corroded internally.
    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
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  8. Re: Audi TT Mk1 225bhp NON STARTER 
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    Quote Originally Posted by Crasher View Post
    You will have to trace the wiring back to the ECU, there is a plug on the box which can get corroded internally.
    Hi Crasher many thanks for the quick reply, I take it you are referring to the engine ECU? where is it situated?

    Thanks
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  9. Re: Audi TT Mk1 225bhp NON STARTER 
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    Under the windscreen, the harness is prone to water damage

    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
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  10. Re: Audi TT Mk1 225bhp NON STARTER 
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    Quote Originally Posted by Crasher View Post
    Under the windscreen, the harness is prone to water damage

    Hi Crasher,

    Sorry for the delay, dealing with family stuff and it doesn't help the car is nearly 20 miles away from home so I can not just nip out for a quick look. I will update as soon as I get chance

    Thanks mumutley
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