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Audi 5000CS Quattro Turbo - Stalling issue!
All,
I have a current stalling/starting problem with my '86 5000 TQ. -Starting: Sometimes if I release the key before the motor starts (generaly fires in 3-4 seconds of cranking), I have to wait ~5 min before making another attempt. If I attempt to start before ~5 mins, engine will maybe 'pop', but will simply crank (as if no fuel in the system.) Happens mostly COLD, sometimes WARM. -Stalling: Earlier this week, stalled out in an intersection (WARM engine). Same as above, had to wait ~5 mins then restarted. Any thoughts? Thanks! |
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#2
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Audi 5000CS Quattro Turbo - Stalling issue!
ign switch?
loose intake boots? residual fuel pressure leaking down too fast! "Matt" > wrote in message ... > All, > > I have a current stalling/starting problem with my '86 5000 TQ. > > -Starting: Sometimes if I release the key before the motor starts > (generaly fires in 3-4 seconds of cranking), I have to wait ~5 min > before making another attempt. If I attempt to start before ~5 mins, > engine will maybe 'pop', but will simply crank (as if no fuel in the > system.) Happens mostly COLD, sometimes WARM. > > -Stalling: Earlier this week, stalled out in an intersection (WARM > engine). Same as above, had to wait ~5 mins then restarted. > > > Any thoughts? Thanks! |
#3
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Audi 5000CS Quattro Turbo - Stalling issue!
Or leaking injectors causing flooding. Try a bottle of Techron injector
cleaner. dave AKA vwdoc1 wrote: > ign switch? > loose intake boots? > residual fuel pressure leaking down too fast! > > "Matt" > wrote in message > ... > >> All, >> >> I have a current stalling/starting problem with my '86 5000 TQ. >> >> -Starting: Sometimes if I release the key before the motor starts >> (generaly fires in 3-4 seconds of cranking), I have to wait ~5 min >> before making another attempt. If I attempt to start before ~5 mins, >> engine will maybe 'pop', but will simply crank (as if no fuel in the >> system.) Happens mostly COLD, sometimes WARM. >> >> -Stalling: Earlier this week, stalled out in an intersection (WARM >> engine). Same as above, had to wait ~5 mins then restarted. >> >> >> Any thoughts? Thanks! >> > > > |
#4
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Audi 5000CS Quattro Turbo - Stalling issue!
On Sep 11, 11:32*am, Matt > wrote:
> All, > > * * * *I have a current stalling/starting problem with my '86 5000 TQ. > > -Starting: *Sometimes if I release the key before the motor starts > (generaly fires in 3-4 seconds of cranking), I have to wait ~5 min > before making another attempt. *If I attempt to start before ~5 mins, > engine will maybe 'pop', but will simply crank (as if no fuel in the > system.) *Happens mostly COLD, sometimes WARM. > > -Stalling: *Earlier this week, stalled out in an intersection (WARM > engine). *Same as above, had to wait ~5 mins then restarted. > > Any thoughts? *Thanks! i had a 200 quatro with the same symptom. it turned out to be a hole worn into the underside (hard to see) of a 2" rubber hose leading from the top front of the engine compartment to the air intake. i think what was happening was that the computer was compensating for the hole at times (after you got it running) but then had difficulty maintaining the right settings at other times (slowing down comming off the highway) hope this helps - it was a bear to figure out |
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Audi 5000CS Quattro Turbo - Stalling issue!
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#6
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Audi 5000CS Quattro Turbo - Stalling issue!
The fuel pump normally runs constantly when the engine is running and it
will still shut off when the ignition is turned off. The risk is that in an accident the key will be on and the engine stopped and with the possibility of leaking fuel there is the potential for a fire that will continue to be fed. Not a good idea but the test is still valid to see if the relay is the problem, The issue could be a number of things but vacuum leaks, fuel pressure issues an ignition problem due to hall effect module on distributor are places I could check. Replace fuel filter, Clogged screen on the fuel pump, injector issues, sticking air flow plate in intake box, plugs / wires ... ovalking wrote: > In article > > Matt, > writes: > >> I have a current stalling/starting problem with my '86 5000 TQ >> > > Fuel pump relay? > > Quite easy to eliminate by replacing it with a jumper wire (across the 2 > large terminals). For safety reasons do not leave the jumper wire in > place as the fuel pump will be running all the time it is there. > > G. > |
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