[V8] Strange issue

[Kneale Brownson]

I don't think any Audi should sit idling for five minutes.  A minute at
maximum and then drive off conservatively.


At 06:15 PM 3/9/2006 -0700, Ed Kellock wrote:
>Yeah disconnect the OXS and see if it changes.  Then I was thinking of one
>of the temp sensors.  The back/passenger side one gets pretty oily back
>there, although I don't remember which function it is responsible for at the
>moment.
>
>I'd also caution him about idling it in park.  I guess the deal is to not
>have put it into any gear while doing so because of that issue where it
>wears out the clutch packs or something.  This has made me paranoid as hell
>with mine because I don't feel like I've seen/heard the definitive word on
>the issue.
>
>Anyway, not what you asked about.  Unplug the OXS and see what happens.
>
>Ed
>
>-----Original Message-----
>From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
>Buchholz, Steven
>Sent: Thursday, March 09, 2006 6:06 PM
>To: Audifans V8
>Subject: Re: [V8] Strange issue
>
>
>... sounds like a cold OXS to me ... has he replaced the OXS lately?  It
>will be interesting to pull codes as that will tell you if the ECU is seeing
>a problem with the XOS heater circuit.  
>
>A test for this theory would be to simply disconnect the sensing lead of the
>OXS to see if the situation improves ... 
>
>Steve B
>San José, CA (USA)
>> 
>> Problem:
>> Only happens when cold.  Every morning, he starts the car, waits 5min 
>> with it in Park, and the engine sounds fine.  When he starts to drive 
>> it, the first 10 miles are pretty rough - the engine chokes, shakes, 
>> and he has no power.  If he stops at a light with the transmission in 
>> drive, it has a very rough idle.  After 10 miles, the car works just 
>> fine, has plenty of power, and no vibrations.  If the warm engine sits 
>> and cools for more than a few hours, it starts all over again...
>> 
>> Any ideas for Vladimir?  Obviously pulling the codes would be a start, 
>> but the only issues I can think of (bad valve body in the trans, bad 
>> spark plugs, wires, swapped plug wires) don't go away when the car 
>> warms up...  Or do they?
>
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