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1988 Audi 5000 unknown problem car stalls

Tiny
BEN19
  • MEMBER
  • 1988 AUDI 5000
  • 54,000 MILES
Okay so a few days ago I stopped at a traffic light and then went as usual when it turned green, but when I shifted into second gear my car just died on my, so I pulled into a parking lot and started it again and pulled out, then as I was driving to my destination I was going around 65 and I noticed that when it died again, it was around 3k rpms, the following day car worked normal, but then yesterday it started doing the same thing, but this time it died when rpms were lower and died whenever I gave it more gas when going up a hill to maintain speed. My question is, what could be the cause? And I know there are many things, I would just like to have a list of some sort. Thanks!
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Thursday, October 31st, 2013 AT 2:22 PM

16 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Since the problem seemed to happen when you needed more fuel, I would recommend starting by checking the fuel pump pressure. You may have a pump on its way out. Also, if you never replaced the fuel filter, this may be a good time to do it.
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Thursday, October 31st, 2013 AT 4:35 PM
Tiny
BEN19
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Okay thanks man ! :) Imma check that first chance I get!
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Thursday, October 31st, 2013 AT 4:39 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Let me know what you find.
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Thursday, October 31st, 2013 AT 4:40 PM
Tiny
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  • 13 POSTS
Sorry that it took a while to get back. But I changed the fuel filter, and the fuel pressure is about 96psi when the car is at an idle.
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Wednesday, November 27th, 2013 AT 12:59 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Is this the 2.2 turbo or the 2.3? If the 2.2, that pressure is okay. If it is the 2.3, that it too high.

Let me know.
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Wednesday, November 27th, 2013 AT 5:03 PM
Tiny
BEN19
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  • 13 POSTS
Its the 2.3. And too high of fuel pressure will cause the car to stall?
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Thursday, November 28th, 2013 AT 7:38 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Yes. Have you checked the regulator?
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Thursday, November 28th, 2013 AT 6:48 PM
Tiny
BEN19
  • MEMBER
  • 13 POSTS
No I haven't. But I had a friend come over, and he says that it could be the thermostat, And/or a broken water pump which makes it die to prevent overheating? Is that a possibility?
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Monday, December 2nd, 2013 AT 8:46 AM
Tiny
BEN19
  • MEMBER
  • 13 POSTS
Because now its been dieing frequently, but when it sits for a minute it works a little longer.
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Monday, December 2nd, 2013 AT 8:49 AM
Tiny
JACOBANDNICKOLAS
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Is it overheating?
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Monday, December 2nd, 2013 AT 10:38 AM
Tiny
BEN19
  • MEMBER
  • 13 POSTS
Its not saying its over heating, but I was told that it could have a safety feature that kills it when its not getting proper cooling. And my friend said that the water pump is shot as well, so we don't know if that's the only problem.
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Monday, December 2nd, 2013 AT 6:41 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Why does he feel the water pump is bad? Is it leaking? Is it making noise? I have to be honest, I don't think you are going in the right direction. It the temp gauge isn't telling you that the engine is overheating, then the computer doesn't know to shut it down.
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Tuesday, December 3rd, 2013 AT 5:26 AM
Tiny
BEN19
  • MEMBER
  • 13 POSTS
Okay, so I got the car diagnosed and I was told that the fuel ratio is incorrect. Too much gas. And that there is a fuel exhaust leak that's causing it. But I took it off and put in the correct gaskets and welded the holes I could find. But didn't touch the down-pipe or manifold. Would a small leak in there still cause it to die, so after I re-installed the exhaust, it was working better, but still dies after the engine gets close to normal operating temperature.
How do I check the regulator?
Thank you for your help
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Friday, September 26th, 2014 AT 12:02 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Are you referring to the fuel pressure regulator?
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Friday, September 26th, 2014 AT 8:15 PM
Tiny
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Yes I am
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Saturday, September 27th, 2014 AT 2:03 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Saturday, September 27th, 2014 AT 5:59 PM

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