Date: Thu, 22 Jun 2000 18:46:02 -0700
Reply-To: David Marshall <vanagon@volkswagen.org>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Marshall <vanagon@volkswagen.org>
Subject: Re: CIS-E Fuel system problems
In-Reply-To: <200006221557.NAA10284@cerberus.ucs.mun.ca>
Content-Type: text/plain; charset="us-ascii"
Which CIS-E do you have? CIS-E or CIS-E with Knock Sensor?
At 01:25 PM 22/06/2000 +0000, Dr. Theodore B. Hoekman wrote:
>All CIS-E guru's, I need some advice suggestions. I have a 1982 westy
>(formerly diesel) that now has a 1986 Jetta GLI engine with the CIS-E fuel
>injection. I did the conversion in 1994, and it has run many strong steady
>miles (about 40K). As I was returning from a long fast road trip last
>august I began to get intermittent problem behaviour. It was characterized
>by power loss and humongous backfiring when decellerating with engine
>braking. However it would come and go, be present for 20 or 30 minutes and
>then back to normal sturdy behaviour. In the Fall I put the van in winter
>storage as I usually do, and now have been driving it as I am doing the
>GMBulley treatment to silence the interior prior to summer travel. The
>problem has become almost continous. It is minimal when the engine is
>cold, getting progressively worse as it warms up to full operating temp.
>After replacing a bad distributor rotor, the power loss problem seems to be
>gone, or minimized but the backfiring is if anything worse. It runs
>strong, accelerating and maintaining highway speed, but people are looking
>around for drive-by shooters when I coast into a stoplight. Can't be
>healthy for the exhaust system!
>
>My very knowledgeable mechanic thinks its a timing problem, but fiddling
>with backing off on the advance doesn't seem to have any real impact. My
>theory is there is something funny going on with the fuel control. Any
>suggestions or remedies from the CIS-E afficianadoes out there (David
>Marshall? or anybody else with experience).
>
>Hoping for list knowledge.
>
>Ted Hoekman
>Dr. Theodore B. Hoekman, Professor Medical Informatics
>Faculty of Medicine
>Memorial University of Newfoundland, St. John's, NF Canada A1B 3V6
>http://calloso.med.mun.ca (709)737-6703
>
>
-- David Marshall - Volkswagen Enthusiast - Quesnel, BC, Canada --
-- 78 VW Rabbit, 80 VW Iltis, 80 VW Caddy, 84 VW Westfalia --
-- 85 VW Cabriolet, 87 Audi 5000 Quattro, 88 VW Syncro Double Cab --
-- David's Volkswagen Home Page http://www.volkswagen.org --
-- Fast Forward Autobahn Sport Tuning http://www.fastforward.ca --
-- david@volkswagen.org (pmail) or vanagon@volkswagen.org (list) --
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