[Biturbos4] Stumbling 2001 S4

Mark R speedracer.mark at gmail.com
Tue Sep 25 17:33:25 PDT 2007

Step #1; check the codes.
Could be a lot of things from a funky ground, failing MAF, boost leak, etc.

www.ross-tech.com or equivalent.


On 9/25/07, Osman Parvez <osmanparvez at gmail.com> wrote:
> Hi All,
> It's been more than a few years since I've posted.  Perhaps a few of you
> recognize my name.   What can I say, I miss you guys..... and I need your
> advice.  It's on my father's 2001 S4 with 84,000 miles.
> It appears that he has an occasional power loss problem with the car.  It
> occurs usually at a low speed when he isn't running any accessories.  If
> he
> revs the engine with the clutch depressed, the engine seems to respond and
> sound normally.  When this happens the ECP light comes on and stays on
> until
> he shuts off the engine and restarts.   According to my Dad, the "heat"
> and
> oxygen sensors have been replaced.  I think he must be referring to the
> thermostat but maybe not.
> Any thoughts appreciated (or links to threads).  I tried looking into the
> archives but didn't find anything specific.
> p.s.   Since I sold my 89 200tq to Dave Head, I've been without an Audi in
> the stable.   However, a number of my quattro driving coworkers have been
> giving me a bit of grief for having the moxy to parade around Colorado in
> a
> turbo miata (for which I'm about to pull the trigger on some Hakka
> 4's).  If
> I find my 80+ mile commute onerous this winter, I may be once again paying
> homage to the Audi gods.
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