How Many O2 Sensors - Nissan Forums : Nissan Forum
 
LinkBack Thread Tools Display Modes
#1 Old 12-02-2008, 05:12 PM
Registered User
 
Join Date: Dec 2008
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
iTrader: 0 reviews
(Thread Starter)
How Many O2 Sensors

Hi, my g/f has a 2003 Altima 2.5 S. She took it to Auto Zone to have it the codes read and they told her that she needs to replace the O2 sensors. The rep there said that she has a total of 4. 2 upfront and 2 in the back.

I know nothing about Nissan's but what I have found on-line cannot confirm or deny that. Can anyone please tell me how many O2 sensors are in the vehicle?

Many thanks upfront!

-Josh
jlheaney is offline  
Sponsored Links
Advertisement
 
#2 Old 12-02-2008, 05:42 PM
Registered User
 
XCHICOX's Avatar
 
Join Date: Nov 2005
Location: SAN DIEGO
Posts: 58
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
iTrader: 0 reviews
you should have only 2 since you have a 2.5.Only 3.5 have 4.

05 SER*Catt DP*MP exhaust*NWP vias*H&R springs*
K&N INTAKE*PC BLK billet grills*245/45/R18*R1 ROTORS*
XCHICOX is offline  
#3 Old 12-03-2008, 06:07 AM
BT
Super Modder
 
BT's Avatar
 
Join Date: Jan 2008
Location: Washington
Posts: 5,278
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Thanks: 5
Thanked 60 Times in 48 Posts
Garage
iTrader: 16 reviews
Quote:
Originally Posted by jlheaney View Post
Hi, my g/f has a 2003 Altima 2.5 S. She took it to Auto Zone to have it the codes read and they told her that she needs to replace the O2 sensors. The rep there said that she has a total of 4. 2 upfront and 2 in the back.

I know nothing about Nissan's but what I have found on-line cannot confirm or deny that. Can anyone please tell me how many O2 sensors are in the vehicle?

Many thanks upfront!

-Josh
Only 2 O2 sensors...Both can be seen from the top of the engine, looking down at the exhaust manifold/precat.


Frankensteined 2002/3/4 3.5SL
QR to VQ swap



Other Pics
My NC Garage
My Feedback Thread...
BT is offline  
#4 Old 03-16-2013, 10:57 PM
Registered User
 
Join Date: Feb 2013
Posts: 42
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 1 Time in 1 Post
Garage
iTrader: 0 reviews
I bought headers for my 03 Altima 3.5. It has four ports for o2 sensors. The stock manifolds sensors are located before and after the manifold cats. The headers have the ports located at the top of the headers and 2 on each side at the end of the test pipe. My question is, my post cat sensor wires are not long enough to reach the test pipe, can I just extend the wires or will that screw up the current going through the wires leading to a SES light? Or do I need to buy ones with longer wires already on the sensor? And of course I got to add de foulers. Does anyone know the part # for the correct sensors I need?

"INKMAN1108"
Inkman1108 is offline  
Sponsored Links
Advertisement
 
Reply

  Nissan Forums : Nissan Forum > Nissanclub.com Nissan - Infiniti Enthusiast Forums > NISSAN ALTIMA FORUMS > 2002-2006 Nissan Altima Forums > 2002-2006 Nissan Altima Discussion (2.5 & 3.5)

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Nissan Forums : Nissan Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


<

User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome