Question about 2004 Chevrolet Malibu

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OBD code suggest oxygen sensor is bad

Where are the oxygen sensors located on a 2004 malibu classic

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Need to replace the oxygen sensor in my 2003 suburban

Ther are at leat 3 and maybe 4 o-2 sensors in that particular truck...one on each exaust pipe coming down from manifold...and one after convertor on each bank....Pass.side before convertor is bank one,sensor one ..behind convertor is bank one sensor two..drivers side before convertor is bank two,sensor one...behind convertor is bank two sensor two(If equipped with four....scan will tell you which one is bad....good luck..lee

Posted on Mar 28, 2009

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dttech
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SOURCE: where is the bank 2 sensor 1 located.

Oxygen sensors are always numbered like this:

Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Most GM engines have #1 cylinder located on the left bank, (or Driver's Side) of the engine,

So, the answer to your question would be that you are looking for the sensor located before the catalytic converter on the right (or Passenger Side) of the truck.

Posted on Oct 17, 2009

  • 462 Answers

SOURCE: oil filter location 2004 Chevrolet Malibu Classic

Standing at the front of the car looking at the intake manifold, its on the right hand side of the manifold about 6 inches down from the valve cover under a black cap with a 32mm top on it.

Posted on Jan 04, 2010

  • 2418 Answers

SOURCE: i am looking for location of bank 1 oxygen sensor

See this picture here.... Hope this helps. mcneb_7.jpg

Posted on Jan 01, 2011

  • 2 Answers

SOURCE: where is the oxygen o2 sensor located on 2004

There are 2 oxygen sensors on the 2004 Impala, located under the car near the CAT converter.

Jack up the passenger side or onto ramps to make easier acess.

Posted on Feb 03, 2011

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4 Answers

Code p0153..p1153


Rowland, Code p0153 Faulty oxygen sensor.
http://www.obd-codes.com/p0153
Code p1153 Probale faulty oxygen sensor.
PCM detect less than 55 lean to rich or rich to lean switches
P1153 OBD Trouble Code

Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Mar 21, 2016 | GMC Cars & Trucks

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PO-139 I had that sensor change 3 weeks ago and the check engine light came on again this morning.Thanks


Probably replaced a good sensor. This codes could be from a bad sensor, a vacuum leak, or an exhaust leak before the sensor.

Dec 01, 2015 | 2006 Hyundai Tucson

1 Answer

2004 hyundai elantra sedan check engine light on, 1st try at autozone gave P2251 followed by P0420, I reset the car computer to check if it comes back and it did after nearly 100 miles. second try at...


The codes that i have pulled out relates to Oxygen sensor and Catalyst converter faults.
P0420: Catalytic converter system,Bank 1,efficiency
below threshold.
P2251: Heated Oxygen Sensor (H02S)1, Bank 1, negative current control open circuit.
But not necessary the faults. You need to run the scope to see wht patterns u get on the oxygen sensor, and on the obd scanner you may be able to pick up oxygen sensor coming on and going off or rich or lean mixture and the mvolts of the sensor. Also check if the wires are not broken on the sensor. Sometimes a clogged O2 sensor can cause these problems.

Aug 13, 2014 | 2004 Hyundai Elantra

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2006 buick rainer obd code30


in 2006 there is no obd system even code 30 your system is obd2 and code start with P????
obd system stop in 1995

Oct 14, 2013 | 2006 Chevrolet Trailblazer

1 Answer

Scanner show 02 sensor needs replacing, but which one?


P0141 indicates oxygen sensor 2 in bank 1. Bank 1 is on the side of the engine where the first cylinder is.

Your firing order (and the location of your cylinders) can be found here:
http://autorepair.about.com/library/firing_orders/bl-fo-0286.htm

And further reading on the code you pulled can be found here:
http://www.obd-codes.com/p0141

Oct 25, 2012 | 2004 Honda Accord

1 Answer

Check engine light on because of oxygen sensor on suburban. replaced oxygen sensor and removed code. start veh. and it comes back. is there a second one?


Before to change other sensor or parts, I suggest scanned the PCM (Powertrain Control Module) to know exactly what fault code is stored there ans causing engine light turn on. With this code number we could send other details.

Some Autozone or Autoshop with OBD scanner readers make this job for free.

Hope this helps, keep us updated and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa.

Nov 02, 2011 | 2004 Chevrolet Suburban

2 Answers

2001 Olds Alero oxygen sensor bank 1 P0135


p0135 indicates bank 1 sensor 1 which is before the cat.

May 22, 2010 | 2001 Oldsmobile Alero

1 Answer

What does Code 2097 for a 2004 2.5 Subaru and how do I repair


BASICALLY I THINK THE CAT CONVERTER IS KNACKERED OR OXYGEN SENSOR IS GONE IM GUESSING
P2097=POST CATALYTIC CONVERTER FUEL TRIM (FT) BANK 1-TOO RICH PROBABLE CAUSE= CAT CONVERTER I PERSONALLY WOULD TRY OXYGEN SENSOR

Nov 27, 2009 | 2004 Subaru Impreza

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