[s-cars] bucking S4 part 3 - has code 2413 - rich mixture. UPDATE!

[steve powers]

Chris -

I also got a 2413 during my recent hose pop incident.  That seems
likely when the boost suddenly drops. The mixture would go instantly
rich.

I decided to check the moisture trap today. I pulled back the carpet
and I discovered that a fuse had come loose in the footwell box which
contains the ECU. At least it looked loose (about 30 degree tilt). I
reset it and I swear it runs a bit smoother - though still get the lag
which I attribute to possibly cracked (but unverified) crossover.

It was the lefmost fuse in the rack of 3 which sits just above the
ECU. I've got factory manuals but it only shows circuit breakers. This
was definitely a fuse.

Moisture trap was mounted to the passenger footwell panel on the right
side. It was dry.

Steve Powers

>  -----Original Message-----
>  From: s-car-list-admin at audifans.com
>  [mailto:s-car-list-admin at audifans.com] On Behalf Of chris chambers
>  Sent: Friday, June 27, 2003 8:50 PM
>  To: chris chambers; Scar
>  Subject: Re: [s-cars] bucking S4 part 3 - has code 2413 -
>  rich mixture. UPDATE!
>
>
>  Hi all!
>
>  I just read and learned how are ECU's "learn", when I first
>  installed my samco hoses one popped off and I had to drive a
>  ways babying it home. Could this have caused the 2413 code?
>  In which case I am not really tracking down the current
>  problem. Should I erase the stored code first and drive more
>  to see what happens? because I have the spark plugs I am
>  thinking about replacing theplugs, erasing the stored code
>  and driving it to see what happens next.
>
>  Any thoughts?
>
>  BTDT?
>
>  Thanks
>  Chris
>
>  --- chris chambers <fastscirocco_2000 at yahoo.com> wrote:
>  > The S4 has code 2413 which I understand is a rich fuel
>  mixture. Does
>  > this mean anything to anybody? Should I still plan on
>  replacing the
>  > spark plugs?
>  >
>  > Thanks
>  > Chris
>  >
>  >
>  > =====
>  > 93 Audi S4 silver, 93 Audi S4 black, 85 VW Scirocco 2.0
>  not stock :-)
>  > 73 Porsche 914 2.0 (67,000 original miles, stock), 67 GMC
>  Long Step
>  > pickup 95% complete frame off restoration, 86 VW Scirocco Wolfsburg
>  >
>  > "If things seem really under control, you're not going fast enough.
>  > -
>  > Mario Andretti"
>  >
>  > "It's not how much you make, but how much you don't spend!"
>  >
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>  =====
>  93 Audi S4 silver, 93 Audi S4 black, 85 VW Scirocco 2.0 not
>  stock :-) 73 Porsche 914 2.0 (67,000 original miles, stock),
>  67 GMC Long Step pickup 95% complete frame off restoration,
>  86 VW Scirocco Wolfsburg
>
>  "If things seem really under control, you're not going fast
>  enough.  - Mario Andretti"
>
>  "It's not how much you make, but how much you don't spend!"
>
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