87 760 turbo stalling out and not starting??

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Old Dec 25, 2006 | 08:45 PM
  #1  
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Default 87 760 turbo stalling out and not starting??

i have a 87 760 turbo intercooled and it has close to 300 thousand kilometers on it and all of the sudden today i was driving and the car stalled out and would not start
after about 10 minutes it started up again? and like clockwork every 5 minutes i would go through the same thing?
no matter what speed whether driving or sitting> it would stall out??
any ideas?
and i know nothing about how this car works? im a Vw guy and bought this car off a customer as a good deal? so any help would be great!!!!
 
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Old Dec 26, 2006 | 10:19 PM
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Default RE: 87 760 turbo stalling out and not starting??

When it stalls what aren't you getting? Fuel,spark,Injector pulse?
 
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Old Dec 26, 2006 | 11:44 PM
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Default RE: 87 760 turbo stalling out and not starting??

i have spark, i can hear the fuel pump run when i cycle the key, and it turns over but it just doesnt click
 
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Old Dec 27, 2006 | 12:28 AM
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Default RE: 87 760 turbo stalling out and not starting??

Make sure you have injector pulse.
Also one time try unplugging the Mass Flow and see if it starts if it does then the Mass Flow is bad.
 
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Old Dec 27, 2006 | 11:34 AM
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Default RE: 87 760 turbo stalling out and not starting??

how do i check for injector pulse??
and the car is running fine today? ran it for 45 minutes at idle, then drove it around for a bit?
and the maf sensor on top of the air box> if it was working properly --if i unplugged it while the car was running it would run really bad and rough right?
 
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Old Dec 27, 2006 | 06:45 PM
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Default RE: 87 760 turbo stalling out and not starting??

it runs rough with the maf unplugged!! and it still runs good now!
what the heck??
 
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Old Dec 28, 2006 | 10:52 AM
  #7  
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Default RE: 87 760 turbo stalling out and not starting??

You will need a noid light to check the injector pulse.

Try unplugging the Mass Flow when it won't start and see if it starts.
 
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Old Dec 28, 2006 | 02:03 PM
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Default RE: 87 760 turbo stalling out and not starting??

ok!
o and when this was happening, i would lose all power, like i would hit the gas pedal and it would just bog down??
and when the car is running i unplugged the maf sensor and it idle rough, so,...
 
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Old Dec 28, 2006 | 02:25 PM
  #9  
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Default RE: 87 760 turbo stalling out and not starting??

The rough is normal.

But if the Mass Flow is bad then when you unplug it the computer goes into Limp Home mode. This makes it run so you can drive it for a few.
 
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Old Dec 28, 2006 | 04:56 PM
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Default RE: 87 760 turbo stalling out and not starting??

it stalled out again?
i tried starting it and it wouldnt start!
then i unplugged the maf and turned it over and had to give it gas to start- but it did start?

now would oil pressure have anything to do with this?
oil is coming out of the oil cap. and the dipstick is coming out??
 
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Old Dec 29, 2006 | 01:17 PM
  #11  
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Default RE: 87 760 turbo stalling out and not starting??

could this problem be the ignition coil?
i mean you'll be going. or even this morning in the drivway! just idleing, i put it up to 3000rpm and then it just wanted to stall out. as soon as i let off the gas it would slowly/maybe come back or else stall.then it wouldnt start, so i would tap the coil and it would all of the sudden go(with a lot of hesitation)
 
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Old Dec 30, 2006 | 12:05 AM
  #12  
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Default RE: 87 760 turbo stalling out and not starting??

Possibly but I doubt it.
 
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Old Dec 30, 2006 | 02:46 PM
  #13  
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Default RE: 87 760 turbo stalling out and not starting??

fixed er!!! there was a bad solder on the fuel pump relay! so i just put some freshness on it and away she went!!
 
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Old Dec 30, 2006 | 04:45 PM
  #14  
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Default RE: 87 760 turbo stalling out and not starting??

Cool glad you got it figured out.
 
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Old Feb 20, 2007 | 11:16 PM
  #15  
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Default RE: 87 760 turbo stalling out and not starting??

its happening again!!
 
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Old Feb 21, 2007 | 09:09 PM
  #16  
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Default RE: 87 760 turbo stalling out and not starting??

Is your car a speed sensor or hallaffect car?
 
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