Poor running 3B

[Bernie Benz]

I haven’t looked recently but Bentley may have some procedures. They  
are thermistors, I think B may have temp / resistance charts. Do  
continuity checks back to the ECU.
Have you pulled the ECU’s fault codes?



On Nov 11, 2010, at 6:49 PM, HJS wrote:

> Thanks Bernie. Do you have any procedures on how to test these?
>
>
>
>
>
> ----- Original Message ----
> From: Bernie Benz <b.benz at charter.net>
> To: robert weinberg <centaurus3200 at yahoo.com>; HJS  
> <group44_us at yahoo.com>
> Cc: 200q20V mailing list <200q20v at audifans.com>
> Sent: Thu, November 11, 2010 6:44:17 PM
> Subject: Re: Poor running 3B
>
> If previously running good, starts easily, and no recent screwing  
> with timing,
> not likely a distributor issue.
> Check engine temp and intake air temp sensors to ECU.
>
> On Nov 11, 2010, at 3:29 PM, robert weinberg wrote:
>
>
>> distributor issues?
>>
>>
>>
>>
>> ________________________________
>> From: HJS <group44_us at yahoo.com>
>> To: 200q20v at audifans.com
>> Sent: Thu, November 11, 2010 3:21:48 PM
>> Subject: Poor running 3B
>>
>> HI Everyone. I have a 3B in my UrQ and it ran great for quite a  
>> while.
> Recently
>> its not running well at all. Car starts right up and idles, but  
>> VERY rich and
> a
>> good amount of exhaust smoke at idle (from being so rich). Driving  
>> along its
>> just OK but as soon as I hit boost, its like turning off the key.  
>> It pops and
>> sputters and damn near dies until I let off the gas, then it comes  
>> back again.
>> At idle, if I go WOT instantly, it acts similarly, pops..sputters  
>> etc until I
>> let off, then it goes back to idle.
>>
>>
>> Things Ive tried: New ECU, no change. New MFTS, no change.  
>> Checked, double
>> checked and triple checked all my powers and grounds to the ECU  
>> and they are
>> good. Up next is MAF, but not sure how to check it.
>>
>> Any other things Im missing? Thanks for any tips!
>>
>>
>>
>> _______________________________________________
>> 200q20v mailing list    http://www.audifans.com/mailman/listinfo/ 
>> 200q20v
>>
>>
>>
>>
>> _______________________________________________
>> 200q20v mailing list    http://www.audifans.com/mailman/listinfo/ 
>> 200q20v
>
>
>