[s-cars] RE: stalling when cold

[serge]

Paul, Just a thought, have you ever replaced the fuel pump relay. I had a
couple of shut downs in the extreme low temps, shut the car right down in
the middle of narrow-lane-tight-right-hand turn with cars and walls on
either side. I still had my servotronic relay in, so when the car shut down,
steering got quite heavy mid turn. I, ahem, immediately needed a new set of
underpants. It did it again .25 miles later and then ran fine for the next
20 until I replaced the FP relay.

This all reminded me of my old GTI, the matter in which things shut down. No
sputter, no warning, just an abrupt, but not jerky shutdown. After I
replaced the relay no problems.


My .02


Serge Filanovsky

95 S6 Avant,
95.5 S6 Avant



 
> Chad suggested:
> 
> <<<Date: Thu, 01 Apr 2004 19:28:25 -0700
> From: chad clark <chadaclark4 at msn.com>
> Subject: Re: [s-cars] Stalling when cold
> To: Bob DG <bobS6 at msn.com>, s-car-list <s-car-list at audifans.com>
> 
> Bob, 
> Might want to try cleaning the ISV with some brake cleaner for starters.
> Just got through fighting the exact same situation as you. Car was usually
> fine once fully warmed up but, while cold, would stall occasionally while
> coasting to a stop in neutral. Soaked mine in brake cleaner for the better
> part of 4 hours, applying 12 volts of power to activate the valve. Cost-$000
> The other common stall problem may be due to a bad by-pass valve, btdt too.
> Diaphram was completely torn. A new adjustable after-market unit solved
> that. Cost-$125 
> 
> Chad >>>
> 
> 
> 
> 
> Damn, should have finished reading my digests first...  anyway...  heh, you
> called him "Bob".  Awesome.  More anyway, thought I'd offer feedback to your
> suggestions, with hopes of finding the unlikely cure some day longlonng down
> the longroad...
> 
> ...Caveats to your thoughts:  mine also will stall upon exiting the highway
> (after running it 'good') and coming to a stop.  Just shuts right down, and
> I can always predict the 'once every other month or so' that it's about to
> happen and just catch it w/ the throttle when braking / clutching.  So, it
> does also happen when extremely hot...  er, and I have a new Forge BPV.
> Though, hmmm, gots to think if the "hot" stall has happened since, don't
> recall...  definitely the "coldashell" one once or twice though.
> 
> Food for thoughtlessness, keep the ideas flowing.  Someday, someone will
> figure it out.
> 
> -Paul
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