To ensure an efficient camshaft adjustment right after an engine cold start, the oil pressure inside the camshaft adjusters must be built up as fast as possible. During this time, a rattle or knocking noise may be noticeable. This noise is normal at engine start and will last until the oil pressure is fully built up, which takes about 1-2 seconds. Disregard the last post as the fuel injectors don't work unless the engine is turning over. You need to check the starter. The clicking is the starter solenoid not engaging the starter. Either a bad battery voltage or connection or a bad solenoid. Reply Like. 05-20-2019, 04:56 AM. # 5. The other option some people say has helped was the ECU relays which are under the ECU in the plenum in the corner of the engine bay. These relays have been updated by Audi as they're known to cause some weird electrical issues. Not sure if it would fix the issue or not, but it can't hurt and could help in the long run. Hope that helps, and A4 (B7 Platform) Discussion - A4 B7 Heater not working - 2006 Audi a4 B7 A/C not blowing hot air although the temp gauge works fine. Coolant level seems good. The weird thing is the right side of the center dash air vent blows warm air only and the passenger side air vent but not the driver side. I was thinking maybe Audi A4 Dies After Starting Diagnosis. August 6, 2020 by Jason. It can be very disconcerting if your Audi A4 is starting and then dies. It is most likely caused by some type of issue with the electrical or fuel system. But, there can be other causes as well. Your A4's engine needs 3 things constantly and in the proper proportion to keep running. engine stalls immediately after start. My wife was driving my 2002 A4 1.8T when it decided that it no longer wanted to respond to the gas pedal. Since then, the car will start, but then immediately stall. I listened for the fuel pump to come on when I took the ignition to the on position, and it sounded pretty normal. A4 B7 2.0TDI starting problem! - 08-01-2022, 07:50 PM. I have a 2007 audi a4 2.0tdi140, The battery died a couple of weeks ago and when I went to start it after charging the battery it cranks over for ages but won't start. By jcb354 in forum Audi A4 - B7 Forum - 2005 - 2008 Replies: 3 Last Post: 15-08-2016, 04:22 PM. A6 2.0TDi Not 8W8kfN.

audi a4 b7 not starting