[V8] mixture adaptation/idle issue

Coleman, David David.Coleman at blackrock.com
Wed Feb 8 16:45:01 EST 2006

That's some sort of OXS code.  You went to the dealer to have them tell
you that?  What'd that cost?  And what home-job codes did you get

I don't remember where this thread left off, but unless there's some
obvious problem elsewhere, unplugging or replacing the OXS is a standard
first stop for an idle/running issue.  Once that's done, you'll start
down the old road of fuel pressure regulator swap (recommended every
couple years I think) and cleaning/replacing the idle stabilizer and
throttle position sensor.  Had you washed the car or driven through a
massive downpour recently?


> -----Original Message-----
> From: v8-bounces at audifans.com 
> [mailto:v8-bounces at audifans.com] On Behalf Of John Dodd
> Sent: Wednesday, February 08, 2006 4:18 PM
> To: v8 at audifans.com
> Subject: [V8] mixture adaptation/idle issue
> As a follow up to the ongoing saga that started almost 2 
> months ago here is the latest:
> I went to the dealer to have the codes read even though I did 
> it myself.Here is the readout:
> 00561 Mixture adaptation
> Adaptation limit( add.) exceeded
> The idle on the car goes down to 300 -400 rpm in drive then 
> back up again to normal..Power seems Ok but not as before.It 
> even idled Ok for awhile .(intermittent issue ?) Any suggestions ?
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