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Thread: Hard Starting when WARM

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    Hard Starting when WARM

    I have a 2005 A4, 2.0 TDI. Recently bought from a local dealer.

    Car starts perfect from cold, but when the engine is heated up it turns over a few times before firing and when it does fire the bremse light flashes a few times. What could be the problem? Car is still under warranty so I want to get it sorted ASAP. It has been back in the garage and they changed the thermostat sensor but it didn't work!

    Any help would be appreciated.

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    Breather hole in the filler cap blocked?


    Bremse light is a small machine gun. Rough area where you live if you have one fitted
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    Must take a look at that too, thanks. I've also seen a good few people saying that it could be the temp sensor for the coolant. Garage seem a bit confused or not interested for some reason! The Bremse light flashes 3 or 4 times after a hard start why would that be?

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    Starter motor or coolant sender are common ones to check tbh when engines warm & bad starting.

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    Cheers for the advice. Hoping that it's the temp sensor on the coolant. Looks to be the easiest fix but knowing my look will turn out to be more!

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    I had the same problem for a while now. Changed coolant and fuel temp sensor no difference. I'm thinking this may be a route to my mpg problem. Starts on first turn when cold. Anybody know any s@it hot techs in the Birmingham area.
    2005 Dolphin Grey A4 2.0TDi S-Line Avant.
    19 INCH RS4 Alloys RNS-E Bluetooth Colour DIS Cool box in Glove Box B8 S Line MFSW APS Xenons Auto-dim RV Mirror & Side Mirrors Rain Sensor Coming Home & DRLs Rear APS
    BLB Engine|Tensioner Failure|Full Service History...so what

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    What sort of MPG are you getting at the moment

    If you find the cure will you please let me know, I want to get this fixed before my warranty runs out in a month!

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    I havent a clue on audis, but on my wifes old mini, there were twos sensors, one for dash gauge, other for ecu.

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    Quote Originally Posted by pistonripper View Post
    I had the same problem for a while now. Changed coolant and fuel temp sensor no difference. I'm thinking this may be a route to my mpg problem. Starts on first turn when cold. Anybody know any s@it hot techs in the Birmingham area.
    Get yourself to Badger 5 in Gloucester for a fix mate. Alternatively Audi themselves are great in Birmingham and Solihull. Forget the local VW 'specialists' as they are all hopeless - as are Midland VW in Cannock.
    Audi A4 B7 2004 red 2.0 TFSI Quattro Sport saloon, Servotronic steering, MFSW, CDIS, DRL with Coming Home, auto dual xenon lights/wipers/mirrors, split folding rear seats, 3rd headrest, centre armrest, Isofix mounts, RS4 rear ARB, pedals & carbon dash trims; Audi TTS 9Jx18alloys (2 sets), Yokohama AD08 summer, Conti TS830P winter 245/40/18 tyres, TPI 15/20 spacers/lockers, Pipercross filter, GFB DV+ turbo valve, NGK BKR7EIX plugs, Osram Silverstar Xenarc D1S bulbs. Build thread

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    Quote Originally Posted by connasm View Post
    What sort of MPG are you getting at the moment

    If you find the cure will you please let me know, I want to get this fixed before my warranty runs out in a month!

    im getting 22/24mpg...likewise if you find one let me know
    2005 Dolphin Grey A4 2.0TDi S-Line Avant.
    19 INCH RS4 Alloys RNS-E Bluetooth Colour DIS Cool box in Glove Box B8 S Line MFSW APS Xenons Auto-dim RV Mirror & Side Mirrors Rain Sensor Coming Home & DRLs Rear APS
    BLB Engine|Tensioner Failure|Full Service History...so what

 

 

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