Question about 2006 Audi Q7

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Urgent: Run out of diesel


I have an Audi Q7 3.0 TDI 08/2006 model. Unfortunately I ran out of diesel in a difficult area, and the car stopped smoothly on the road.

I went on foot and I brought first 2 liters of diesel, tried the engine but didn't start. Then I went and I brought another 8 litres thinking that eventualy the first quantity was not enough. Again nothing. The engine was trying to bring the diesel on but didn't start. Unfortunately I stayed out of battery and then I brought another car to load the batteries while trying to start the car. Again nothing.
I had to leave the car there as I am missing the manual of the engine(I have only the MMI manual with me). Can someone tell me where I have to go in the engine or what I have to do to make it start please?

The sure problem was that it was the missing diesel that stopped my car. Temperatures all ok and electronics all good. Just I need to load the batter but what else?

I really thank anybody giving me some help so that I can continue my business trip and I don't visit Audi for a week or so...

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  • simpleology Jul 09, 2008

    Benimur hi again.

    I passed all day in the car. We tried to load the batteries which was kind of exchausted. it seems it needed more time. We released a lot of air from the circuit. I tried the switch on before starting the engine and diesel was coming up. I tried to start the engine, the starter was turning but no result. This small filter that you told me back of the back left passenger was not existing. Any idea?

    Any other step I can take? I think that the battery has to be properly filled and it takes more than 2 hours we tried loading.



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Hi again,

This link might provide you with some of the images for the engine component locations. You would be interested with the fuel lines going into the Common Rail Injection System as they would be providing the inflow of diesel fuel to the high pressure pump for the injectors. Additionally, you might find this page an interesting read with illustrations.

My apologies that I can not email you directly due to certain restrictions.

Good luck again.

Posted on Jul 09, 2008

  • Louie  Role
    Louie Role Jul 10, 2008

    I understand and appreciate the additional info/update. Pls try to remove one of the Audi's battery terminals for about 10 minutes. Pls keep in mind that doing so would reset your car's computer and most probably activate the security protection of your car's stereo unit (you would need the code to reactivate the stereo).

    Incidentally, when I mentioned "left" I was referring for passenger side of left hand drive vehicles. This would mean the right side of the car. Or alternately, just follow the fuel line from the tank. Though of course, there is really no need now since you were able to determine that there is fuel coming out (I presume on the injector's end).




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