Jump to content


Welcome to Ultimate Subaru Message Board, my lurker friend!

Welcome to Ultimate Subaru Message Board, an unparalleled Subaru community full of the greatest Subaru gurus and modders on the planet! We offer technical information and discussion about all things Subaru, the best and most popular all wheel drive vehicles ever created.

We offer all this information for free to everyone, even lurkers like you! All we ask in return is that you sign up and give back some of what you get out - without our awesome registered users none of this would be possible! Plus, you get way more great stuff as a member! Lurk to lose, participate to WIN*!
  • Say hello and join the conversation
  • Subscribe to topics and forums to get automatic updates
  • Get your own profile and make new friends
  • Classifieds with all sorts of Subaru goodies
  • Photo hosting in our gallery
  • Meet other cool people with cool cars
Seriously, what are you waiting for? Make your life more fulfilling and join today! You and your Subaru won't regret it, we guarantee** it.

* The joy of participation and being generally awesome constitutes winning
** Not an actual guarantee, but seriously, you probably won't regret it!

Serving the Subaru Community since May 18th, 1998!

Guest Message by DevFuse
 

Photo
- - - - -

hi all please help


  • Please log in to reply
1 reply to this topic

#1 amjid55

amjid55

    New User

  • Members
  • Pip
  • 5 posts
  • england

Posted 20 April 2005 - 02:29 PM

hi have just bought an sti 8 jan 2003 jap import. there are 2 sensors on the cat down pipe from the turbo one is next to the turbo and the other is at the end that fits on to the rest of the exhaust. please can you tell me which one is the oxygen sensor. i am fitting an aftermarket de-cat pipe to which i have to connect the oxygen sensor. many thanks. ps i have already fitted blitz spec r exhaust.

#2 Legacy777

Legacy777

    Moderator

  • Moderator
  • 12,809 posts
  • Houston, Tx

Posted 20 April 2005 - 05:46 PM

They're both oxygen sensors.

The first oxygen sensor sends information to the ECU for a/f ratio control.

The second oxygen sensor is a catalytic converter efficiency monitor. The second oxygen sensor is not really necessary to run, but it will throw a check engine light.




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users