[s-cars] Occasional hot no start - '95 S6 avant

[Mark Strangways]

Fuel pump and / or fuel pump check valve.

Seems that the ECU understands to kick the fuel pump on when it's a cold 
start, and to keep it off until the revs are high enough indicating a 
running engine when it's warm.

Mark
----- Original Message ----- 
From: "Jim Fleischer" <jim at almgt.com>
To: <s-car-list at audifans.com>
Sent: Wednesday, May 07, 2008 5:23 PM
Subject: [s-cars] Occasional hot no start - '95 S6 avant


> Hi Gents,
>
> Well, my climate control difficulties fixed itself, and I've been enjoying 
> hot and cold air from all vents.  A new issue has sprung up lately.  A few 
> days ago, my car didn't start right away for the first time since I bought 
> it 2 ears ago.  It started up the second time around with little fuss, but 
> thought it odd at the time.  Today, after having driven it for about 10 
> miles, parked it for about 5 minutes, came back out and -crank crank 
> crank- no start.  Tried this several times within about 15 minutes.....no 
> luck.  Checked under the hood, nothing real obvious, wigged everything I 
> could, still no start.  Let it sit another 10 minutes, and vroom, starts 
> right up.  Drives just fine for the way home, good power, idle, etc. Got 
> home, turned it off, started right up again 2 more times.  Let it sit 
> about the same amount of time, go out and starts right up again.  WTF?
>
> Come to think of it, the CEL light flashed on and off really fast sometime 
> in the last two weeks.  Just once, and quite a while before this all 
> happened.  I've also noticed a slight smell of gasoline in the cabin 
> lately, also occasionally, not always, and before this all started 
> happening.
>
> Any thoughts?
>
> TIA,
>
> Jim Fleischer
> '95 S6 avant
> '83 ur
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