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Won't start, starts, won't start.

Audi A6 The mid-sized Audi A6 model offers more room to the driver and passengers over the A4 line.

Won't start, starts, won't start.

  #1  
Old 03-31-2011, 01:03 PM
1st Gear
Thread Starter
Join Date: Feb 2011
Posts: 25
Default Won't start, starts, won't start.

Okay. The other day I start to head to work and the car won't start (kinda sputters and tries to start but won't stay running). I took the truck and when I got home tried to start it again. It did the same thing but I lightly pumped the pedal like it was a carb'd motor and got it to run. I had to keep the motor at 2K+ rpm otherwise it would do the sputter and die thing again. After holding it there for about a minute I slowly let the rpms drift down to normal and it idled out at about 850rpm (normally about 950rpm). I took it around the block and it ran fine. I got back and shut it off and then restarted it and it fired right up. This morning I went to start it and it won't start again. Same symptoms. It kicks over well and doesn't show a CEL. The car was running fine when I parked it initially and then the starting issue just showed up. Any ideas? The gas gauge says 3/8 of a tank but I've heard there were some issues with gas gauge accuracy with some of the audis so I'm going to get some gas and see if that is the problem.
 

Last edited by Angrywasp; 03-31-2011 at 01:05 PM.
  #2  
Old 03-31-2011, 04:43 PM
2nd Gear
Join Date: Jul 2007
Location: Goodrich, Michigan
Posts: 1,430
Default

If were the gas you wouldn't have made it around the block. Could be the fuel pump but more likely the temperature sensor. You need to get a VAG-COM cable and watch the readings.

Bob
 
  #3  
Old 03-31-2011, 07:35 PM
1st Gear
Thread Starter
Join Date: Feb 2011
Posts: 25
Default

Well I replaced the coolant sensor as recommended here and on other forums and the car started up just fine but since it was still warm from when I got it running again this evening I'll hold off on saying it's fixed until tomorrow morning.
 
  #4  
Old 04-01-2011, 07:01 PM
1st Gear
Thread Starter
Join Date: Feb 2011
Posts: 25
Default

Coolant temperature sensor was the problem. Car started up great this morning.
 
  #5  
Old 04-02-2011, 08:53 AM
2nd Gear
Join Date: Jul 2007
Location: Goodrich, Michigan
Posts: 1,430
Default

Congrats!
 
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