Re. Strange cold start on 84 4000 quattro
urq
urq at pacbell.net
Sun Aug 8 21:49:06 PDT 2010
IME leaks don't reliably go away most of the time ...
I meant to reply earlier ... I wanted to check if the '84 4kQ has CIS-E or
not ... still haven't done that ... I *think* the comment that you have an
ISV means that you have CIS-E, but I'm not sure ...
I'm most in agreement with Huw's comments. The first thing I'd do is to
hook a fuel pressure gauge up and see if the residual pressure is non
existent. The comment that it fires right away after cranking a few seconds
and then shutting off and attempting restart says fuel pressure to me. You
may have more than one problem going on too ...
Good luck!
Steve Buchholz
-----Original Message-----
Ok well pretty sure you hit the nail on the head here. I noticed a lot of
oil seapgae just beneath the X tube above the valve cover which is prone to
failure. I ordered the silicone replacement for the X & ISV tube from 034 as
well as 10' of vacuum tubing. I am going to replace it all when it arrives
and check over everything with chemtool to ensure no more leaks...
From: benswann at verizon.net
Nothing strange about it - you have a vacuum leak (or several vaccum leaks).
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