[s-cars] Hi Mileage S6, what would you do? Also S6 No Start Update

[Jack Gagnon]

Hey, I was thinking....

If the car will run fine as long as it is not turned off, why is the cps
needed in the first place?  Is it used to determine timing, or is it just a
safety feature in case the t-belt breaks?  If it is a safety feature, it is
pretty much useless since the valves will get trashed as soon as it breaks
anyway.  Looking at scott m's site, it appears that it will indicate a
possible improper valve timing issue.  If that is all it does and it is a
royal pita to swap, can it be deleted somehow?  I have heard of a few people
having a slipped t-belt, but I have never heard of the check engine light
and the code telling them so.

what do ya think?

Jack

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Aaron Taylor
Sent: Monday, January 09, 2006 2:30 PM
To: 'Dave Forgie'; s-car-list at audifans.com
Subject: RE: [s-cars] Hi Mileage S6, what would you do? Also S6 No Start
Update


Ahh
Now I don't feel so bad.
I only paid 500$ to have mine installed!
Aaron

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Dave Forgie
Sent: Sunday, January 08, 2006 9:58 AM
To: s-car-list at audifans.com
Subject: [s-cars] Hi Mileage S6, what would you do? Also S6 No Start Update

Dave:  I agree with Forrest Bradshaw's list.  Some of those need to be
done but only a few of them will actually strand you on the side of the
road.  In my experience, these are the cam position sensor (CPS)  and
the fuel pump.

The cam sensor will probably throw a Check Engine light (CEL) to give
you a bit of a heads up - but not much. The problem is if you get a CEL
and you turn the engine off to check whatever it is, the engine may not
restart because the ECU looks to the CPS for a signal before it will
trigger the fuel pump to come on.  No signal = no fuel = Stranded.  I am
a strong advocate of replacing the CPS at the second timing belt change,
if not before.

In my experience, the original fuel pumps are good to about 100,000 mi
(160,000 km) - after that, you are living on borrowed time.  The fuel
pump will just fail.  Period.  Minimal subtle warnings (no CEL), like a
little longer to start one morning.  When mine failed, I had this
warning sign which, like a minor chest pain, I ignored. I then set off
on a trip.  Car was fine that day but after being parked for a night
meeting, it refused to start - the fuel pump had failed.  Since I was
away from home and away from my mechanic, the car had to be flat-bedded
to the nearest dealer who proceded to economically 'rape' me. ($800 to
install a $120 pump).

I have since replaced that pump (a perfectly good VDO) with a Bosch as a
potential solution for RS2-related fueling issue.  I wrote a procedure
up which you may want to follow.  It isn't that difficult if your tank
level is down (which you can arrange IF you do a pre-emptive replacement
- which I advocate):

http://forums.audiworld.com/s4s6/msgs/86586.phtml

Dave F.


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