Question about 1996 Chevrolet Cavalier

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How to replace the 2nd o2 sensor on a 1996 cavalier between the converter and muffler. step by step details please

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Locate the sensor, when the engine is cold, remove the lead wire that should go into the top of the senso, unbolt the sensor with the proper box end wrench. Reinstall the new sensor in reverse order. Other than access to the sensor and perhaps it being tight, this should not be a difficult repair. It all depends on access to the sensor. Perhaps you should buy a new sensor so you know what you're looking for if you don't know where the old sensor is.

Posted on Apr 23, 2010

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My brothers O2 sensor went out on his 97 2.3l ranger and we are having an hell of an time finding. Could you please tell me in detail where both of them are. thank you


They should be located before and after your cat converter in your exhaust system. Im not familiar with this vehicle but all O2 sensors are mounted basicly in the same area.

Apr 10, 2011 | Ford Ranger Cars & Trucks

2 Answers

Where is the o2 sensor and how do you change it


On the exhaust manifold. Put some type of rust buster on it and let it sit overnight before trying to break it loose. There may be a second O2 sensor after the catalytic converter.

Sep 09, 2010 | 1996 Chevrolet Cavalier

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The 02 sensor is not working


there are 4 o2 sensors. one on each bank after the cat. converters, one before the muffler and one on the muffler.

chances are it one of the o2 sensors by the cat converters.

check you Mass Air Sensor and replace spark plugs, because there is probably something simple that wrecked your o2 sensor in the first place and it will help your vehicle run and last longer. It could be more complicated, like a vacuum leak cuz honda civics are known to have head gaskets replaced.

But i guess first you need to figure out which o2 sensor it is.

Apr 12, 2010 | 1997 Honda Civic

1 Answer

Where do we find the o2 sensor to replace it on 1996 ford explorer v-6 4.0


Item Part Number Description 1 52 Exhaust Inlet Pipe 2 N803420-S2 Exhaust Manifold-to-Inlet Pipe Bolts
(4 Req'd) 3 5E212 Three Way Catalytic Converter 4 5230 Muffler 5 N620482-S2 Exhaust Inlet Pipe-to-Converter Nut
(3 Req'd) 6 5B266 Exhaust Converter Inlet Pipe Gasket 7 N620481-S2 Nut 8 5E269 Exhaust Converter Frame Bracket 9 N620481-S2 Nut 10 5260 Exhaust Outlet Pipe Frame Bracket 11 5E269 Exhaust Converter Frame Bracket 12 39006 Screw and Washer 13 5E241 Exhaust Converter Outlet Gasket 14 5G215 Exhaust Pipe Flange Hold Down Spring 15 N802641-S2 Nut and Retainer 16 — Rear Heated Oxygen Sensor (HO2S) A — Tighten to 34-46 Nm
(25-34 Lb-Ft) B — Tighten to 20-25 Nm
(15-19 Lb-Ft) C — Tighten to 34-46 Nm
(25-34 Lb-Ft)

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Apr 03, 2010 | 1996 Ford Explorer

3 Answers

2000 Cavalier catalytic converter was stolen/check engine light


The check engine light is probably indicating a catalytic converter malfunction the Oxygen sensor that is located after the cat tells the computer if the cat is functioning properly it is possible the wire has been broken or damaged. To see if the cat is there jack up the car and look under the passenger and driver area of the car follow the exhaust pipe from the front back the first thing the pipe comes to should be the cat it looks like a muffler with a wire going to a sensor after toward the back side of it, I doubt they never installed one but I guess it is possible.

Jan 05, 2010 | Chevrolet Cavalier Cars & Trucks

1 Answer

96 grande cherokee 6cyl. replaced o2 sensor and code still shows bad sensor so changed out again thinkjhg it was faulty but code still shows bad sensor.Drove for while and back fires to the point were...


Sounds more like an ignition misfire. Sometimes also, an exhaust leak in the pipe above the sensor can add enough air to cause the mixture in the pipe to ignite and cause the same problem. The first "weak point" in the exhaust is the muffler which is why it blows it up. Cutting out the cat will not solve this.

Oct 28, 2009 | 1996 Jeep Grand Cherokee

1 Answer

1996 cavalier sputter and chugging


call the dealership and ask them

Aug 26, 2009 | 1996 Chevrolet Cavalier

3 Answers

Does PO0430 mean anything other than replace the catalytic conver


Yes the front O2 sensor(the one before the cat) could be lazy and cause this also.

May 25, 2009 | 1996 Mercury Sable

1 Answer

2001 Hyundai Santa Fe - Code P0421 Help!?


code p 0421 refers to warm up cat converter bank 1 --- efficiency below threshold ===causes ---cat converter---wiring ---HO2S (heated oxygen sensor )
there are not 4 oxygen sensor as you have been told but just 2 oxygen sensors located after each of the cat converters
The other 2 are heated oxygen sensor which are located in the exhaust manifold or exhaust pipe before the cat converters
heated oxygen sensors do a completely different job to the O2 sensors in that they report to the ECM, the combustion gas mixture so the the ECM can adjust the mixture for max performance
The oxygen sensors (O2) read what is left after the cat converters have done their job and report to the ECM so that it can fine tune the mix
IF you didn't replace the correct cat converter then that will make the code come back
If you just replaced the O2 sensor , well that doesn't even figure in the problem

Mar 14, 2017 | 2001 Hyundai Santa Fe

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