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Where is the oxygen sensor for a 2007 tahoe and how do u replace it

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In the exhaust down pipe and two are fitted on newer vehiclesa and they are easy to change just a 22mm spanner

Posted on Oct 07, 2010


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2007 tahoe o2 sensor, installed new o2 sensor but engine light stays on. code says bad

which sensor was replaced
there are 2 sensors involved
one after the cat converter and one in the exhaust manifold /pipe before the cat converter
the code will read the same for both

Apr 01, 2017 | 2007 Chevrolet Tahoe

1 Answer

P0030 2006 tahoe

That code is a heated oxygen sensor failure. The first thing that you need to do is replace the oxygen sensor. They should be replaced every 60 to 70 thousand miles anyway. They might fail sooner if you use fuel system additives.

May 07, 2014 | 2006 Chevrolet Tahoe

1 Answer

Oxygen sensor

It's the oxygen sensor on driver side downstream by catalyst converter.Here it is.

Jan 15, 2013 | 1999 Chevrolet Tahoe

2 Answers

2007 Chevy Tahoe check engine scan codes: P0030, P0053, PO135 ~ Please advise or help : ( thought that advanced auto would have been a bit more helpful than handing me a piece of paper with codes and...

There is a fault with the inbuilt heater in the oxygen sensor, before the catalytic converter, on the exhaust pipe the same side of the engine as cylinder 1. The oxygen sensor has four wires within the cable sheath to the top of it. Two of the wires will share the same color. These wires supply power to an internal heating element wire within the sensor. Follow the cable from the oxygen sensor to the connector, you can do a lot testing here. Check the resistance between the two 'same coloured ' wires. The resistance is low, somewhere between 1 and 10 ohms. If there is no continuity (infinite resistance) then this is the fault and the sensor needs to be replaced. The codes: P0030 the oxygen sensor heater relay is at fault P0053 Oxygen heater resistance error P0135 Sensor 1 bank 1 error You are looking at replacement. A further confirmation take the connection from sensor 1 bank 1 and swap it with the sensor 1 bank 2 on the other side of the engine. The codes should 'transfer' and show P0036; P0059 and P0141.

Apr 26, 2011 | 2007 Chevrolet Tahoe

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I have a 2002 chevy tahoe and I just had an oxygen sensor replaced on monday the very next day my check engine light was back on. I had another diagnostic check and the said it was my oxygen sensor. It...

Sound like either the mechanic didn't plug the sensor in all the way or you got a bad sensor, bank 2 should be the passenger side, sensor 2 is the sensor after the catalytic converter.

Mar 17, 2011 | 2002 Chevrolet Tahoe

1 Answer

What is bank 1 and 2 sensor 2 heater circuit on a 97 tahoe

it is the heater circuit inside of the oxygen sensor, the sensor the code refers to will need replaced I see it alot

Jan 20, 2011 | 1997 Chevrolet Tahoe

2 Answers

Need to replaced and locate oxygen sensor


Oxygen sensor is usually located near the exhaust manifold, passenger side by firewall.

If you are going to do it yourself, I suggest to go to an AutoZone, if you by the sensor there, they will let you borrow the special tool needed to remove/replace it. This is a FREE service for their customers.

Don't forget to rate this post. Good Luck.

May 14, 2010 | 1997 Chevrolet Tahoe

1 Answer

Where are the oxygen sensors on my 2004 tahoe and installation

There are 4 o2 sensors.They are all on the exhaust system.There is one on the left side exhaust manifold pipe and one on the right exhaust manifold pipe.Then there is one in front of the catalytic converter and one in back of the converter.It would be better if you had the codes that they got because there can be other problems that can cause an o2 sensor to fail.Also I have never had all 4 sensors go bad at one time.You could have other problems.Vacuum leaks,plugged air filter,bad connections,or bad grounds.These vehicles are also good for intake gaskets being bad.Hope this helps.Good luck.

Jan 19, 2010 | 2004 Chevrolet Tahoe

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Po138 code on 96 chevy tahoe 5.7l where do i start testing

P0138 is a code for an unexpected high voltage in the post cat o2 sensor on the left side (bank 1 sensor 2). It often is a result of an internal short between the oxygen sensor heater and the actual oxygen sensor. I would clear the core and if it returns replace the sensor.

Oct 06, 2009 | 1996 Chevrolet Tahoe

1 Answer

'07 Tahoe; check engine light on steady. Just came

Have a dealer or garage check your Oxygen (O2) sensor. As a quick fix, try disconnecting and reconnecting your car battery. Sometimes this will reset the check engine light.Good Luck!

Aug 01, 2009 | 2007 Chevrolet Tahoe

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