Poor running 3B ---FIXED!---

[PeterBergin at aol.com]

Think you jinxed me!  Was driving home in the worst ice storm I have  seen 
in Minneapolis.  Car suddenly starting running like  crap.  Bucks, wont 
usually idle unless I hold the peddle down a  bit, must accelerate very slowly 
to make any  speed.  Bummer!
 
Car ran perfect before, however had two intermentant codes.  O2 sensor  and 
ISV.  Have had an O2 sensor on order, first one came in wrong  part.  Did 
not pay much attention to the ISV because the car ran perfect  (238k miles).
 
Unplugged the MAF sensor, no difference in car running, pressured  turbo 
and vacuum system to 15 psi, no leeks, pulled and cleaned MAF, no  difference.
 
Started to rain again (have to work out side) so I quit for the day.   Will 
clear and pull codes tomorrow.
 
Think I am on the right path with the MAF?
 
Thanks
Pete 91 Avant (never breaks down during good weather) 
 
 
In a message dated 11/20/2010 8:48:40 P.M. Central Standard Time,  
group44_us at yahoo.com writes:

Well  thanks to VAG com... this morning I pulled the codes, there was only 
1.   
MAF.   I was actually kind of happy to see it.  So I went  online (audifans 
marketplace to the rescue!) found one a few hours away  from me for a good 
price 
so I went to go get it. Came back about half an  hour ago, installed it and 
all 
my problems went away! Idles great, no  smoke, runs amazing, and pulls like 
nobody's business! I am so  unbelievably relieved.  It was cold so I gave 
it a 
little  temperature, and got to maybe 12psi boost and it was effortless and 
smooth  as silk. Ill definitely sleep well tonight! Or maybe not...Ill want 
to 
get  up early and go drive it!
Thanks for everyones help, I appreciate it. Looks  like Im good to go now.

Here's a picture of the patient. Its a 1985 UrQ  with 3B that has all the 
RS2 
goodies. Therefore Its painted RS2 Pearl  blue. It has the tall wing, 
blacked out 
rear lights, euro lights up front  and sport hood. 

This was an 'in progress' picture, you will notice its  missing the drivers 
side 
windshield wiper, has the 5000q wheels on it  (winter tires) with no center 
caps, 
and the front grills for the sport  hood arent clipped in, they are just 
laying 
there. Thats all been fixed  now (except the 5000 wheels, the sport q 
wheels wont 
go on till  summer).   http://maxboostracing.com/RS2UrQ.jpg






________________________________
From:  brady zq <bradyzq at hotmail.com>
To: group44_us at yahoo.com;  auditony at gmail.com
Cc: 200q20v at audifans.com
Sent: Sat, November 20, 2010  2:34:59 PM
Subject: RE: Poor running 3B

Since you have  VAG--COM, have you checked Group 0 , the one that has many 
operating  conditions like load, intake air temp, RPM, TPS, etc? It is 
designed 
to be  read at idle and lowish RPM. The Bentley will tell you what the in 
spec  
ranges are for the various readings.

Your MAF may only be slightly  out of spec, which means it may only need  
cleaning.

Cheers,
Brady

> Date: Sat, 20 Nov 2010  11:04:00 -0800

> Well the good news is VAG-com reported one error...  MAF! Woo hoo! I 
never 
> thought Id be happy to get a code :) I guess  itexplains a lot. Ill 
replace it 
> and report back



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