[s-cars] Misfire Diagnostic Help

[Peter Golledge]

These look similar to the one I've used.

On 1/16/2012 9:44 AM, Mike Claire wrote:
> Sorry for digging up this old post, but Tom says we can run Ross Tech
> software on our older cars for nearly nothing?  I need to know more.
>
> Tom, you said "you can buy one of those cheap cables on ebay and the 2X2
> adapter available there also."  Here's a couple of eBay listings.  Am I
> looking at the right stuff?
>
> 2x2 adapter
> http://www.ebay.com/itm/Audi-2x2-OBDI-OBD2-VAG-COM-Diagnostic-Adapter-USB-Interface-/280806767500?pt=Motors_Automotive_Tools&vxp=mtr&hash=item4161633b8c
> (pretty sure I got this one right).
>
> USB to ODB2 adapter
> http://www.ebay.com/itm/USB-OBDII-KKL-409-1-OBD2-VAG-COM-Car-Scan-Cable-Tool-/160714910434?pt=Motors_Automotive_Tools&vxp=mtr&hash=item256b5aeae2
> IS THIS "one of those cheap cables"?
>
>
>
> Mike
> '93 S4
>
>
>
> On Mon, Dec 12, 2011 at 6:50 PM, Tom Green<trgreen at comcast.net>  wrote:
>
>> I don't know that I can point you directly at a solution, Chris, but
>> perhaps you will stumble on it.  You probably know about Scott Mockery's
>> business web site<http://www.sjmautotechnik.**com/<http://www.sjmautotechnik.com/>>
>> since it is the most common source for learning blink codes.  If not, shame
>> on you, go there now.  Anytime you read codes, clear them after recording
>> them.  You did not mention the CEL or MIL  as Audi names it.  You should
>> run the output tests to check that the injector functions electrically.
>>   Your post reads like you are doing most of your own maintenance.  As Wyley
>> suggested, clean the MAF connector plug and see that the MAF and air intake
>> are clean also.  Deoxit from Radio Shack or online at Caig Labs is a good
>> electrical cleaner/enhancer and cheaper than Stabilant 22.  Swab the
>> injector connectors also with some of those electronic store swabs with the
>> little ends.
>>
>> It would probably not be a waste of money to have the injectors
>> cleaned/tested by one of the well-known shops.<http://www.rceng.com/>
>>    <http://www.mrinjector.us/>  , or<http://**fuelinjectorconnection.com/*
>> *shop/<http://fuelinjectorconnection.com/shop/>>     come to mind, but a
>> local shop could work.    It would be nice to know the fuel pressure, but
>> maybe not essential  yet.
>>
>> Since you are still blinking after 7 years or more with the 200/20v, you
>> must not need this information often.  You are missing out on some
>> information stored by the fault code that you simply cannot read with the
>> blink code.  The VAG-COM software is available free in the Lite version
>> that works very well with these cars.  All you need is a windows laptop
>> running windows XP maybe (you don't want to be too new, I don't think, but
>> the ross-tech.com web site has details on that, I believe)  Then, you can
>> buy one of those cheap cables on ebay and the 2X2 adapter available there
>> also.  These will run the lite version for free or registered for $99.
>>   Either is fine, but will make diagnosis so much easier, and reset your
>> service codes as well.
>>
>> Wylie mentioned quattroworld.com UrS4/6 forums for help and a great FAQ
>> also.  There are several posters in CT on that forum also-some in-person
>> help beats this long distance stuff every time.  Someone local might just
>> have a few spare parts to help diagnosis along as well.
>>
>>
>> Tom '95 S6
>>          '95.5 S6 avant
>> Knoxville, TN
>>
>>
>> On Sunday December 11, 2011, at 6:42 PM,  Chris Hemberger<
>> cehemberger at sbcglobal.net>  wrote:
>>
>>   Hi Folks - have owned my S6 Avant for ~7 yrs&  ck the site from time to
>>> time;?have never posted but the time has come..? My car?w/ ~160k has
>>> developed a
>>> misfire/rough running condition that I'm looking for some assistance in
>>> troubleshooting. Car is stock other than a Stage 1 modded-ECU (MTM as I
>>> recall)
>>> &  has had the Apikol coil-conversion for 3yrs; I'm getting a '4411' code
>>> indicating a problem w/ the #1 injector. Swapped coils around (and even
>>> tried a
>>> new one..), pulled the injector connector and the condition worsens which
>>> would
>>> indicate the injector is functional to some degree?- which leads me to my
>>> question: do the injectors experience 'partial' failure which might
>>> explain my
>>> situation??Selectively disabling each injector on each of?the remaining
>>> cylinders?results in degraded operation. Have run out of diagnostic ideas
>>> &
>>> thought I'd come to the experts - any suggestions/questions welcomed!
>>> Thanks,
>>> Chris Hemberger
>>> Amston, CT
>>> '91 200q Avant
>>> '95.5 S6 Avant
>>>
>>
>>
>>
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