AudiWorld Forums

S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

would o2 sensor cause misfires, part throttle hestiation, low vac reading, cold start misfires ?

Thread Tools
 
Search this Thread
 
Old 09-11-2006, 10:53 AM
  #1  
AudiWorld Super User
Thread Starter
 
eigenvector's Avatar
 
Join Date: Jan 2006
Posts: 2,008
Likes: 0
Received 0 Likes on 0 Posts
Default would o2 sensor cause misfires, part throttle hestiation, low vac reading, cold start misfires ?
that is what my mechanic said..
5 codes:
b1 s1 o2 sensor no activity
b1 s1 o2 sensor internal resisitance to high
cyl random multiple misfire
cyl 1 misfire
cyl 3 misfire
eigenvector is offline  
Reply Like
Old 09-11-2006, 11:09 AM
  #2  
AudiWorld Super User
 
VerrÜckt's Avatar
 
Join Date: Feb 2003
Posts: 16,402
Likes: 0
Received 0 Likes on 0 Posts
Default
Would? I dunno. Could? Certainly.
VerrÜckt is offline  
Reply Like
Old 09-11-2006, 11:14 AM
  #3  
AudiWorld Expert
 
nyet's Avatar
 
Join Date: Dec 2000
Posts: 33,078
Likes: 0
Received 0 Likes on 0 Posts
Default
could be o2 AND vac leak.
nyet is offline  
Reply Like
Old 09-11-2006, 12:06 PM
  #4  
AudiWorld Super User
Thread Starter
 
eigenvector's Avatar
 
Join Date: Jan 2006
Posts: 2,008
Likes: 0
Received 0 Likes on 0 Posts
Default
where do u think vac leak is ?? i pressure tested and heard hissing from rear right engine..
eigenvector is offline  
Reply Like
Old 09-11-2006, 01:24 PM
  #5  
AudiWorld Expert
 
nyet's Avatar
 
Join Date: Dec 2000
Posts: 33,078
Likes: 0
Received 0 Likes on 0 Posts
Default vac leak could a bunch of things, busted check valve, cracked hose, etc. etc.
take it to a mechanic if you can't find it yourself.
nyet is offline  
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Codes P0160, P1140, P122
Blue2000S4
S4 / RS4 (B5 Platform) Discussion
0
03-24-2010 08:52 AM
Here are today's codes.
Joao
A4 (B5 Platform) Discussion
0
08-19-2008 04:12 PM
Will a bad O2 sensor cause misfires on cyl # 1,2,3 or will the misfire's cause an O2 to go?
sphere
S4 / RS4 (B5 Platform) Discussion
9
01-09-2007 04:05 PM
17584 - Correction Behind Catalyst: B1: Limit reached - MIND BOGGLING !!! [EDITED]
JBear::FATS
S4 / RS4 (B5 Platform) Discussion
22
11-16-2004 02:58 AM
o2 sensor on an 84 4KQ
mt6127
Audi 4000 / Coupe GT Discussion
2
12-08-2003 11:40 AM
Tags
Back to Subforum
S4 / RS4 (B5 Platform) Discussion
View Next Unread
How do I know what Ecu I have. 'A', 'M' box ecu? I did STFA.




Advanced Search
Quick Reply: would o2 sensor cause misfires, part throttle hestiation, low vac reading, cold start misfires ?


Reply Closed Thread Share

All times are GMT -8. The time now is 11:48 AM.