Engine Cranks But Won't Start. Vehicle is a 2011 Q7 Prestige S-Line 3.0 TFSI with 80,000 miles. As the title states the engine will crank for 5 seconds or so, wont start, then just quits trying. After 2 or 3 attempts, it will eventually start, sometimes with the assistance of a tap of the throttle. Dealer says the problem is a drained battery. 1. Low Battery Charge. The alarm will beep should a stranger touch your car. The same alarm will still warn you if the battery charge is low. Whenever the battery is heading towards dying, switch on the engine. As a result, the alarm may go off as an indicator of a low battery level. Replaced battery which was confirmed to be bad and it still won't start. Tried jumping it from the engine and nothing happens. I have dashboard lights and radio. No clicking when I try to start it. Any advice would be appreciated. I changed the battery a year or so ago and did not have this issue where it wouldn't start. Starting problem. Our 3.0D has been having starting problems specially when the vehicle has been left standing for 18 hours or more. The engine will crank for up to 10 seconds before starting. This was reported to the dealer who said the problem was related to battery drain. If the battery was weak or being drained by accessories then starting A6 / S6 (C6 Platform) Discussion - Battery replacement and computer reset - Hello. I have an 2007 Audi a6Cuatro 2.2 L in and I am in need of a battery but him being told that the computer must be reset. If I do not reset the computer and just replace the battery what are the consequences or if any? Received 2 Likes on 2 Posts. Quote: Originally Posted by Fun4stuff. Found it in my manual of 79. Looks like it could be because of high power consumption, environmental conditions, battery, engine temp, etc. Once the AC or Heat reach the desired temperature setting, then stop/start works fine for me. Reply Like. After 4 days of starting it every few hours, I figured it was just fine and just a random occurrence. I ended up not needing to touch the vehicle for 3 days. When I tried to start it, the same thing happened as before. Accessories are on in the car, no crank when trying to start, when turning the key to start, the accessories would then shut off. Slide the button to release the physical key. Pry the key fob open into two halves using a finger or screwdriver at the seams. Pop out the old battery and replace it with the new one. Take care to insert the new battery in the same orientation as before, with the correct (+) and (-) signs in place. When your engine cranks but won't start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. The most common causes are problems in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter). However, the source may also be a mechanical fault (for D7Vo2.

audi q7 not starting after battery change