[s-cars] //Sbitch hard to start when hot

[calvinlc at earthlink.net]

Hmmm...I guess that's not how my FPR failure behaved, and I would have
thought they would have behaved the same way since they are essentially
doing the same thing...ah well, learn somethin' new everyday.
--Calvin


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Joshua van Tol
Sent: Saturday, June 24, 2006 7:55 PM
To: S-CAR-List at audifans.com
Subject: Re: [s-cars] //Sbitch hard to start when hot


Actually a leaky check valve usually causes the worst symptoms for
the first few hours. After the car cools down any fuel that's
vaporized in the fuel rail (because of low pressure) re-condenses,
and the rail re-pressurizes quickly when the pump comes up.


On Jun 24, 2006, at 12:44 PM, <calvinlc at earthlink.net>
<calvinlc at earthlink.net> wrote:

> It would seem to me that the check valve issue would be even worse
> after the
> car sits for a long time so that doesn't match your symptoms.
>
> Leaky injector can be bad news.  Unfortunately, the cylinders
> usually don't
> drain that fast at all....unless its a very small leak.  It can
> eventually
> hydro-lock your cylinder and you will wonder why the car won't turn
> over...I
> went through a 3 month long saga of what I thought was a leaky
> injector on a
> '91 200 causing this problem.  Turned out it was the FPR that was
> leaking
> through the vacuum port and draining into the cylinder causing the
> hydro-lock.
>
> --Calvin
>
>
>
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Vincent Fregeac
> Sent: Friday, June 23, 2006 8:57 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] //Sbitch hard to start when hot
>
>
> Hi all,
>
> My "beloved" S6 have developed another reason to keep my week-ends
> busy.
> When I stop the car for 5 minutes, it takes a loooooong time for
> the engine
> to start again, like 10 or 15 seconds on the starter (Count them,
> it's very
> long when your starter is running and you hope the battery will
> hold). After
> 1 minute, it's not so bad, after 30 minutes too and no problem
> after 1 or 2
> hours. 5 minutes is really the shit spot. I've also noticed that
> it's a bit
> better when I hold the go pedal to the floor before starting. This
> made me
> suspect a leaking injector that would flood the cylinder within 5
> minutes,
> then the cylinder drains in 30 minutes. But the engine should
> start, rough
> but start, on the 4 remaining cylinders... except if I have 3 or 4
> leaking
> injectors.
>
> So, I'm stuck scratching my head in an attempt not to replace half the
> engine bay to discover that a 5 minutes 10$ repair would have been
> just
> right.
>
> Any idea?
>
>
>
> Vincent.
>
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