LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Will exhaust leak AFTER 02 sensors cause bad readings?

Thread Tools
 
Search this Thread
 
Old 03-12-2004, 02:58 PM
  #1  
Registered User
Thread Starter
 
Hyperspeed97z28's Avatar
 
Join Date: Dec 2001
Location: Upstate, NY (Albany area)
Posts: 3,615
Will exhaust leak AFTER 02 sensors cause bad readings?

Will an exhuast leak right after the O2 sensors cause a problem? I have 93 stlye SLP headers with the y-pipe, I have a slight leak at my y-pipe (do-nut gaskets) will this throw the readings off ?

I have new fel pro gaskets ready to replace, But I'm curious as to what it would affect either way...


Thanks in advance...

-Keith
Hyperspeed97z28 is offline  
Old 03-12-2004, 09:43 PM
  #2  
Registered User
 
Jason Dove's Avatar
 
Join Date: Sep 1998
Location: Vancouver, BC, Canada
Posts: 561
Depends how close the leak is to the O2's. If it's within something like 8 inches, it could have an effect.
Jason Dove is offline  
Old 03-12-2004, 09:51 PM
  #3  
Registered User
Thread Starter
 
Hyperspeed97z28's Avatar
 
Join Date: Dec 2001
Location: Upstate, NY (Albany area)
Posts: 3,615
what kind of effects could it have?
Hyperspeed97z28 is offline  
Old 03-12-2004, 10:16 PM
  #4  
Registered User
 
ROADRAGE's Avatar
 
Join Date: Dec 2001
Location: Lake Orion Mi
Posts: 886
your car would run rich. The oxygen from the leak makes your car think it is way lean, so it adds fuel
ROADRAGE is offline  
Old 03-12-2004, 10:27 PM
  #5  
Registered User
Thread Starter
 
Hyperspeed97z28's Avatar
 
Join Date: Dec 2001
Location: Upstate, NY (Albany area)
Posts: 3,615
i do kinda smell fuel in the exhuast fumes....
Hyperspeed97z28 is offline  
Old 03-12-2004, 10:51 PM
  #6  
Registered User
 
ledfootz28's Avatar
 
Join Date: Mar 2003
Location: conshohocken
Posts: 641
i have a leak before the o2 on the passenger side header bolt.my car is running crazy rich and runs like crap.my idel is all ****ed up.i dont think if the leak is after the o2 it will cause it to run rich
ledfootz28 is offline  
Old 03-13-2004, 12:18 AM
  #7  
Registered User
 
ROADRAGE's Avatar
 
Join Date: Dec 2001
Location: Lake Orion Mi
Posts: 886
Originally posted by ledfootz28
i have a leak before the o2 on the passenger side header bolt.my car is running crazy rich and runs like crap.my idel is all ****ed up.i dont think if the leak is after the o2 it will cause it to run rich
yes it will
ROADRAGE is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Iamherefornow
LT1 Based Engine Tech
2
01-26-2015 04:57 PM
AlaskaZ28
LT1 Based Engine Tech
4
12-16-2014 07:24 PM
AlaskaZ28
New Member Introduction
2
12-10-2014 02:39 PM
AlaskaZ28
LT1 Based Engine Tech
1
12-10-2014 02:37 PM
z28projects4ever
Automotive News / Industry / Future Vehicle Discussion
9
07-16-2002 07:48 PM



Quick Reply: Will exhaust leak AFTER 02 sensors cause bad readings?



All times are GMT -5. The time now is 12:58 AM.