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  1. #1
    Registered Member One Ring
    Join Date
    Apr 22 2018
    AZ Member #
    417446
    Location
    Sweden

    Audi A4 3.0 tdi 320bhp glowplug flashing?

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    Hey

    Recently the glowplug light have been flashing when pushing the car. First it showed up when hitting 135mph ( 216km/h) but now it can show at 60mph.
    It flashes for a few seconds and the car feels weak and then it stops and the car feels like normal again.

    Its an Audi A4 b8 2008 3.0Tdi stage 2 individual with removed DPF, Egr, 3" downpipe, sportsintake, new software. Made 256whp at the dyno.

    Its a really good looking car and very high quality feel when you drive but the flashing engine light is a issue that need attention and I want to locate the problem befor I let a repairshop take all my money.

    Engine code CAPA, low milage, always served.

    Click on link below to watch dyno results and tell if something is off.

    http://www.bilddump.se/bilder/20181008111858-94.191.151.197.jpg

  2. #2
    Established Member Two Rings
    Join Date
    Apr 24 2007
    AZ Member #
    17551
    Location
    UK

    As you will have probably realised, the "glowplug" light flashing when you're moving indicates a fault in the engine management system. It sounds like when this happens, the car goes into limp mode to protect itself from damage. Are you able to get the car scanned for codes? The people who reprogrammed your ECU may also be able to help. Unfortunately, there are not too many people with Tdi's here compared to petrol, but we try when we can (I have a Tdi myself). Good luck.

  3. #3
    Registered Member One Ring
    Join Date
    Apr 22 2018
    AZ Member #
    417446
    Location
    Sweden

    Hi
    The workshop that did the work on my car is far far away from here so I need to stay at a hotel and drive for hours so if it can be fixed by any repairshop I rather save myself the time and money.
    The fault code I get is P0234 Turbo overboost condition.

  4. #4
    Established Member Two Rings Tineo's Avatar
    Join Date
    Jul 08 2013
    AZ Member #
    118534
    Location
    Dairy Land, Asturias. Spain

    I have also a CAPA engine remapped to 300bhp.

    Is posible that the manifold presure sensor is faulty randomly? other tuners recomend upgrade this sensor to 3 bar version.

    Like this
    https://www.darksidedevelopments.co....906-051-c.html

    Good luck
    !
    Last edited by Tineo; 10-14-2018 at 10:18 AM.
    2008 A4 B8 3.0tdi Quattro Sedan 6MT EuroSpecs
    Ibisweiss | TLR remap to 301hp | S-Line interior | Rotor 19" rims | S4 front and rear brakes | RoadRover gps | Depo taillight LEDs | 80mm exhaust tips | S4 blackgloss grill with blackgloss valence | S4 pedals | fulldynamic LED turn signals ...and more

  5. #5
    Registered Member One Ring
    Join Date
    Apr 22 2018
    AZ Member #
    417446
    Location
    Sweden

    Got the car back from repairshop yesterday.
    They found nothing wrong.. They have seen the faultcode but could not locate the problem. Also they could not make the problem appear no matter how they tried.
    The greased the "arm" on top of the turbo and did a smoke test to check for leaks and no leaks was found.
    So later that day I took it for a ride and at 135mph the same shit happens. Flashing glowplug.

    Do I need some remapping if I get a new 3 bar map sensor or can I just plug and play?

  6. #6
    Established Member Two Rings Tineo's Avatar
    Join Date
    Jul 08 2013
    AZ Member #
    118534
    Location
    Dairy Land, Asturias. Spain

    I supose that p&p,
    The sensor will be more acurate at higher press level
    2008 A4 B8 3.0tdi Quattro Sedan 6MT EuroSpecs
    Ibisweiss | TLR remap to 301hp | S-Line interior | Rotor 19" rims | S4 front and rear brakes | RoadRover gps | Depo taillight LEDs | 80mm exhaust tips | S4 blackgloss grill with blackgloss valence | S4 pedals | fulldynamic LED turn signals ...and more



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