Long cranking on 5kt...

[Fred Munro]

Hi Matt;

Might be a bad fuel line check valve. Check the pressure leakdown on the
fuel line.

Fred Munro
'94 S4

----- Original Message -----
From: "Matt Beaubien" <mrbeau0 at yahoo.com>
To: <quattro at audifans.com>
Sent: Monday, June 25, 2001 10:06 AM
Subject: Long cranking on 5kt...


> I went to diagnose a problem I've been having with my
> '86 5kt for a while now, and I'm a bit confused.  I
> thought there'd be a good chance that it's the cold
> start that's causing my problems, but the Bentley
> manual seemed to indicate that the thermo-switch only
> operates below 20C.  The problem is that ambient temps
> are higher than this and I have the problem.
>
> If I run the car for a while and shut it off, it start
> almost immediately.  The idle is reasonably smooth,
> and I don't there's there's any large vacuum leaks.
>
> Once upon a time it would start before making one
> complete rotation.  It was actually a bit weird how
> quickly it would catch at times.
>
> Thoughts on where to look?  My first guess would be
> the cold start valve, but Bentley seems to indicate
> that it's not even needed above 20C.  If infact it is,
> what normally fails?  Where is the thermoswitch
> anyway?
>
> Thanks for any help,
>
> Matt Beaubien
> '86 5kt
> '73 911E
>
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