intermitent hot start problem

[Matt Beaubien]

Mike,

As others may have mentioned, did you change the check-valve located at the
top of your fuel pump?  I had _very_ similar problems and changing mine
fixed it.

Also, for everyone following the problems I was having, it turned out to be
a bad FP relay.  Sure enough, the CIS frequency valve wasn't receiving any
power and my car was running very lean.  I opened up my FP relay and found a
few cracked solder joints.  I fixed them but it still wasn't working right.
It almost seems like I'm not getting a ground from the control module.  I've
fixed it temporarily by grounding it myself, but I would like to do some
more diagnosis.  (Please don't lecture me, having the FP relay grounded is
no different than everytime I hop into my 911 for a drive...)

Matt Beaubien
'86 5kt
'73 911

----- Original Message -----
From: "DAWSON-MD" <DAWSON-MD at email.msn.com>
To: "audi quattro list" <quattro at audifans.com>
Sent: Sunday, March 11, 2001 7:14 PM
Subject: intermitent hot start problem


> I have been fighting a hot start problem on with my '87 5Ktq (approaching
> 200K miles) for about 6 months. It would occasionally fail to start after
a
> short hot soak of 5-10 minutes such as when getting gas or stopping at a
[snip]
>
> Mike
> '83 UrQ
> '84 4Kq
> '87 5Ktq
> '77 Ferrari 308 GT4



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