Audi Q7 Battery Keeps Going Flat

I seem to have something draining my battery a couple of times when i ve not used the car for several days the battery has been flat.

Audi q7 battery keeps going flat. This article applies to the audi q7. 04 jetta tdi i have replaced the key fob battery 3 times in the last 2 weeks i replace it with a new battery and it works for 4 5 days and then nothing i hit the button no light no response from car in the mean time i have observed the remote if the light was staying on like a button. Q7 discussion solved q7 slow crank start battery drain issue over the last 2yrs i ve been having a terrible time getting my 2007 q7 tdi to start. Audi q7 2007 will start for 5 secs run ok then engine struggles and shuts down.

The alternator side of things has been checked by 2 experts one being the audi local dealer and its fine with the battery are you saying that it is the incorrect one i would have thought even if it was marginal it would last longer than overnight if left for about a day and a half it is so flat even the central locking does not work i have owned the car for 5 years and it has been perfect. Long cranking 8 10 seconds on cold start often have to try 2 3 times to start large plume of white smoke out of the exhaust but then normal. I hear something letting off pressure on the passengers back side of engine. No engine lights and battery says ok.

I changed the battery 2 weeks ago as it was diagnosed as. And once a battery dies your car isn t going anywhere. If your audi q7 s battery is draining it s something that ll need addressing right away. A bad battery can put a serious damper on your day because there s generally little or no warning that it s about to kick the proverbial bucket.

If the battery is draining while you re driving that is probably going to be the alternator or battery. If it is draining while your q7 is off it s usually caused by something that is drawing current that shouldn t be.