[s-cars] ARGH!! Stalling at idle

[Herrick, Marty]

Mark,

Have you checked the MAF sensor.  I had similar symptoms, and the same
Adaptation Limit Reached code before my MAF completely died on me.

Marty Herrick
95.5urS6
Milwaukee, WI


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Mark Pollan
Sent: Thursday, February 10, 2005 8:32 AM
To: s-car-list at audifans.com
Subject: [s-cars] ARGH!! Stalling at idle


Hi All:

 

I am posting again on this because I am getting frustrated beyond all
get-out trying to figure this one out.  Please, please put your thinking
helmets on before I take this one to a shop for diagnosis.

 

I start my car in the morning and drive with little to no idling.  The
symptoms are that when the car is cold and I get to a stop sign or
red-light the RPM will dip more or less dependent on ambient
temperature.  On cold days the engine will die.  I have replaced within
the last 5K miles:  New ISV (thanks Paul K. for the kind offer of your
spare), new plugs, new plug boots, fuel filter.  I pressure tested the
intake with nothing plugged up to about 15psi and get just a tiny leak
at the MAF to turbo by the turbo.  VAG only returns one code which is
Adaptation Limit reached - or something like that.  When the car is
fully warmed up after 4 or 5 minutes of driving all symptoms disappear.

 

This is soooo temperature related that I have to believe it has
something to do with a temperature sensor (MFTS replaced 15K miles ago;
Oil temp sender replaced 10K Miles ago) or perhaps my O2 "heater" is not
working properly.

 

Any and all thoughts are hugely appreciated!!!!

 

Regards,

 

Mark

95.5 S6 - 88K miles

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