Last week, the same issue happened again, multiple times, with longer cranking times. Only after a few (1-2) hours. It starts fine cold, and starts back up fine within ~30 mins. I sometimes smell petrol, but not after start up and driven for a bit. Thermostat was changed 2 years ago. Diagnosis Originally Posted by Q7Jazzy. I solved the slow crank/white smoke problem on my 2007 3.0l Q7 BUG (170000 km on the clock) two weeks ago. Here’s the story: My initial course of action was the fuel/air supply system and the starting system. I checked the fuel supply line, fuel filter, coolant temperature sensor, I cleaned the throttle body, MAF test injectors in other q7 and they fail. so change all injectors (6) car still not start. no code on vcds on engine tap. ecu does communicate . so decided to change ecu. (clone ecu ) problem remain same. car wont start. not even with easy start. new battery fit aswell. fuse all okay. presure shows 7.1 bar. Golf 4 1.9 TDI. Jan 6, 2015. #1. Hi Guys, Please help, my TDI struggles to start in the morning or after a long period of standing. The car starts after a long period of cranking. I replaced the glow plugs and confirmed that the harness is connected correctly, coolant temp sensor replaced too. I have noticed that there are bubbles in the fuel Q7 MK 1 Discussion - q7 2011 tdi cranking over but wont start. what problem is it? - hi my audi q7 2011 3.0 tdi is cranking over but wont take fuel to start what do i do 2007 audi Q7, key in wont come out, car not starting or even turning. Key pad not working to open doors, totally dead. lights in dashboard are on only a couple. every thing else dead. … read more First, some details about the car; 2007 Audi A4 B7 Avant. 2.0T. Auto trans. 185K - no mods. Story; I was driving home from work this past Thursday when the car suddenly shut down as I was on the highway. Originally, I thought I may have run out of gas since I've been having an ongoing issue with my fuel sending unit. Hi All I was having intermittent issues with my Audi S4 B7 regarding starting the engine. Every now and then the car would take upwards of 7 seconds cranking before it would actually start. This only occurred when the engine was hot and not ambient outside temperature. The car would start fine in the morning once the engine was cold. Audi Model:: Q7. Audi Year: 2014. Posted January 9, 2021. Crank shaft sensor. Car will start and drive fine then when it starts to get warm and you park up the temp under the bonnet continues to rise as there’s no air flow. The faulty sensor gives an implausible signal when hot so when you try to start the car again the engine doesn’t get 2004 audi a4 1.8T not cranking up. Went to crank the car and i got nothing but fast clicking and would not crank. on the second try did the same thing but then i got a a few beeps at me in the inside of the car after i tried cranking it. Husband popped open the hood and he said the sound was coming from the left side under the hood. 5LMB2.