[s-cars] Almost No-start question

[calvinlc at earthlink.net]

Yeah, that was the first time an FPR has caused me grief.  At the time my
mechanic was pretty easy on fees so he charged me $80 plus a 12 pack of beer
for the fuel pump changeout :)

The second time was much worse.  The 1991 200 TQA I own was not starting...I
mean wouldn't even turn over, battery was trying but starter was not
turning.  Replaced the starter, broke the starter by trying to start it.
Replaced the starter again, still no go.  Wound up having the #5 cylinder
full of gas!  Must be a leaky injector my mechanic says since he listened to
the injector with a stethoscope.  He wants too much to change the injector
so I go ahead and do that.  Replace injector, runs OK for awhile, but then
starts acting up again....what the hell I got a bad injector???  Wait
another 2 weeks for replacement from Germany.  Replace injector, same
symptoms again.  What the hell?  Send injector off to get it tested.  No
sign of leakage even after the subjecting it to hot and cold temps.  OK,
there is fuel coming into the cylinder, where the hell else can it come
from?  Turns out that the FPR was leaking into the vacuum port, the vacuum
port gets routed to the back of the intake manifold and the fuel runs
downhill until it gets to the #5 intake runner where if the valve is open it
goes right into the cylinder!  Unbelievable!  That one took me a total of
about 2 months of downtime!

--Calvin


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Dave Forgie
Sent: Saturday, March 10, 2007 9:44 AM
To: s-car-list at audifans.com
Subject: [s-cars] Almost No-start question


Calvin:  In tracking down and fixing your fuel related problem, I would
not say replacing your fuel pump was necessarily "dumb".  If it was the
original pump, it was only a matter of (a short) time before it failed
anyway (in all likelihood).  So what you did was pre-emptively save
yourself a lot of grief. (This presumes that you changed the pump
yourself so the $$ outlay was minimal).

Personally, I would not have suspected the FPR as a culprit in a
non-start situation so this thread has taught me something (hopefully
not for future reference).  I replaced my FPR as a precautionary measure
when I upgraded from stock to RS2 spec.

Dave F.
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