Sky InsuranceChris Nott
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  1. #1
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    Audi A4 rough idle

    I have a 52 plate Audi a4 1.9 tdi estate


    I have noticed that my car has started rough idling, it doesn't do it every time I get in the car and start it.

    But when I get up first thing and take my daughter to school it's fine, no rough idling but soon as I get back into the car later on to go to work it starts doing it.

    The car shakes quite bad but once I start driving the car, eventually it clears up and drives normally ??????


    I changed the fuel filter today thinking maybe a clogged filter but no no change. Also I have been putting in Vpower and Valvoline injector cleaner in to clean injectors. Did this almost a week and a half ago. still the same

    Car has also been on full diagnostics and there are no codes stored

    Also serviced 6 months ago new oil, fuel, air, pollen filter, new glow plugs, antifreeze and has been serviced every year without fail, every 9 thousand miles.

    Other new items, clutch and turbo replaced 6 months ago


    I don't know much about cars and have tried to put as much info as I can


    Thanks in advance

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  3. #2
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    Maybe not related but my 1.9TDi used t have a rough idle for a few seconds every morning, turned out it was sh!t Tesco diesel.
    Put decent fuel in and its fine..
    Where do you fill up??
    Mark

    2001 A4 TDI 130 SE, takes me to work
    2011 Suzuki Alto SZ4, tootles the good lady around
    1992 Replica Cobra 4.6V8, makes lots of noise...
    and gives you neck ache, and isn't for sale anymore...
    1949 Ferguson TED20, moves things that I can't move
    1959 Massey Ferguson 35 TVO, thats two ticked off the list...
    Lucky the good lady likes tractors...

  4. #3
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    Hi Mate

    It does it longer than a few seconds more like 5 minutes max. Saying that when i drive the car it clear quicker ???/


    I used to fill up at Sainsburys but stopped and started using Vpower from Shell. The old fuel has deffo gone now as I have filled up with Vpower over a week and a half.

    I have put in Valvoline in with fuel (injector cleaner ) but made no difference and that was a week plus ago.


    I find that when it gets warm in the morning and then left to stand it does it then.


    The worse thing is one day it will do it then not another. Cannot get my head round it.

    No codes no warning lights nothing lol

  5. #4
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    I have similar issues with my car though different engine, mine has been diagnosed as having some faulty injectors, might be worth having the injectors removed and professionally cleaned, and tested.
    Mine are being cleaned and spray pattern checked for £20 for each injector, the £20 is refundable if I have to replace it.

  6. #5
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    If you have VCDS check your torque angle

    fixed mine

 

 

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