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O2 sensor on 2004 saturn location - 2008 Chevrolet Trailblazer

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  • 75 Answers

One before catalytic converter and one after threaded in the exhaust pipe

Posted on Oct 26, 2012

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Posted on Jan 02, 2017

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SOURCE: Where are the O2 sensors located on a 2004

located on the exhaust pipes before and after the catalytic converter there is a special socket with a cut away on it but not necessary to have can use wrenches=just be careful of connectors

Posted on Nov 18, 2009

Testimonial: "Outstanding and Thankyou for your help! Best regards, Al"

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SOURCE: Where is O2 sensor located

i think you have more then one , which one are you looking for? needs more info

Posted on Sep 11, 2010

Zeevert
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SOURCE: where is the oxygen o2 sensor located on 2004

I have a 2002 Impala with 3.8L, and just replaced my Bank1 O2.
It is located between the firwall and the middle of the engine, straight down past the spark plugs. Maybe 12 inches from the top of the engine.
As I recall the plug for the sensor is clipped to a bracket at about spark plug level.
I recommend using the crow foot style wrench to remove and install.

Posted on Jan 07, 2011

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SOURCE: 2004 chevy 1500 4.8 O2 sensor-- bank 2 sensor 1.

SENSOR CLOSES TO THE ENGINE IN THE EXHAUST

Posted on Aug 03, 2011

heresjohnny2
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SOURCE: where are the o2 sensors on a 2004 chevy cavilier located

there are 3 of them 1 is located on the exhaust before the catalytic converter ,one after or on the convertor and one on the block

Posted on Aug 02, 2012

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1 Answer

O2 sensor up stream


o2 sensor is always located in your down pipping or headers just wait till car cools down feel your pipping and the only thing that u should feel is a o2 sensor with 2-4 wires

Sep 29, 2012 | 2006 Saturn ION

1 Answer

I need to know where my bank one sensor one o2 sensor is located at


Locate the #1 cylinder thats the exhaust manifold side #1 sensor 1 is the o2 sensor closets to the engine . Hope this helps.

Mar 20, 2011 | 2000 Saturn SL

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2004 saturn vue v6 sensor 1 bank 1 where is that


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Fig. Heated Oxygen (HO2S) location (bank 1, sensors 1 & 2) - 3.5L engine


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Fig. Heated Oxygen (HO2S) location (bank 2, sensors 1 & 2) - 3.5L engine


Hope helps.

Jan 28, 2011 | Saturn Vue Cars & Trucks

1 Answer

I have a saturn Ion and need to know where the O2 sensor is located. It is a 2006 4cyl 2.0. I am not sure if it is before the converter or in the rear of the converter.


There will be an O2 sensor before the catalytic convert and one after the catalytic converter.

On a four cylinder the one before the cat will be Bank 1 Sensor 1. The one after the cat will be Bank 1 Sensor 2.

Do you have a trouble code for an O2 sensor?

Sep 27, 2010 | 2006 Saturn ION

1 Answer

Bank 2 sensor 1 o2 sensor


should be right behind the cat converter

Oct 02, 2009 | 2003 Saturn VUE

1 Answer

Where is the O2 Sensor Bank 2 Sensor 2 on a 2004 Saturn L-Series. The codes say it is the bad one. Also is it difficult to get to (special socket or can a wrench do it)?


O2 sensor bank 2 sensor 2 (downstream) is the one down near the catalytic converter.You will be better of to buy or rent a cheap o2 socket.hope this helps

May 02, 2009 | 2004 Saturn L-Series

2 Answers

O2 Sensor


must acess from under car they are located in the exhaust pipes two wires run to each one .

Nov 19, 2008 | 2004 Chrysler Sebring

1 Answer

O2 sensor location


What engine do you have? Does your car have a V6 or a four-cylinder? Regardless of the engine, you will have an O2 sensor after the catalytic converter. On a four cylinder you'll have one in the exhaust manifold as well. On a V6 you'll have one sensor between the engine and cat, and one after each cat as well. The sensor(s) before the cats determine your fuel mixture, and the after-cat sensor(s) are used to monitor the efficiency of the cat.

Oct 19, 2008 | 2000 Saturn SL

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