Fault codes

[Jeremy Palenchar]

So - are you actually getting better mileage?

Like what?


-Jeremy 

-----Original Message-----
From: 200q20v-bounces at audifans.com [mailto:200q20v-bounces at audifans.com] On
Behalf Of Mike Del Tergo
Sent: Friday, January 02, 2004 6:43 AM
To: b.benz at charter.net
Cc: 200q20v at audifans.com
Subject: Re: Fault codes

Bernies' comments echo my findings.  I tossed a slightly used O2 sensor in.

New temp sensors were not immediately avail and I did not want to drop a new
O2 in while still having a "bad" IM temp sensor.  No iimediate change in
codes.  Next day, all codes gone and car is happily flashing 4444.  I never
get the all clear codes in the 200, usually always have the 2111.
We'll see how long it lasts!
Mike

>Mike,
>I doubt that the IM thermistor is actually bad, rather a false code 
>associated with other problems.  BTDT.  As I recall, somewhere in 
>Bentley is the resistance vs. temp data for all the various thermistor 
>temp sensors, allowing you to check the unit with an ohmeter.
>
>Bernie
>
> > From: "Mike Del Tergo" <mdeltergo at hotmail.com>

> >
> > Thanks Phil,
> > I should have added that I did all the requisite tests for the 
> > sensor
>and
> > all speced out OK, and all connections were/are "fine".  As I went 
> > about trying to find a new sensor, I now have the 1111 code and an 
> > O2 code!  I pulled the O2 and it was white chalky, not good looking!  
> > I will replace
>it
> > tonight and see if that code goes away and temp sensor comes back.  
> > Of course did the "bad" > > temp sensor kill the mix enough to off 
> > the O2,
>and will it again before I > > can find a replacement. > > And I still 
>want to clear the 1111 code.

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