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How do i know which o2 sensor needs to be replace?

How do i know which o2 sensor needs to be replace ? i have a 1996 ford explorer

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How do you know you need one? u need a good scanner that shows live data.

Posted on May 27, 2010


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Ford explorer oxygen sensor

the o2 sensor is located by the catalytic converter and anaylyses the exhaust emissions,it may need a tune up but first i'd check all air intake hoses for leaks ,signs of wear etc as if the air/fuel mixture going into engine isn't correct the emissions will not be either ,you can get fuel additives which will clean cylinder,valves and the cat converter so try this first , if the light is still on get the garage to clear the OBD memory and retest drive as a stored code isn't always automaticly erased

Mar 29, 2014 | 1996 Ford Explorer

1 Answer

I need a picture of the 02 sensors on a 1996 ford explorer

No you don't

You have front or upstrean O2 Sensors before the exhaust
converters & downstream or monitors in the converter outlets

You obviously have wires going to them

If you went under the vehicle you wouldn't be asking

Nov 27, 2012 | 1996 Ford Explorer

1 Answer

How many oxygen sensors are there on a 1996 ford explorer 8 cyl., 4.0 eng.

The answer depends on the type of exhaust system you have. You will have either 3 or 4 total O2 sensors on your V8. If you have single exhaust with a single catalytic converter then you will have 3 O2 sensors (2 upstream sensors & one downstream sensor - "up or down stream" meaning before of after the catalytic converter). If you have either dual exhaust and/or two catalytic converters then you have 4 O2 sensors (2 upstream & 2 downstream). If you have an MIL light (malfunction indicator light, or "check engine light") the code will indicate "front bank / bank one", which is one of the 2 upstream O2's before the catalytic converter(s), or "rear bank / bank two", which is one of the O2's after the catalytic converter(s).

Apr 22, 2012 | 1996 Ford Explorer

2 Answers

I have a 2000 ford explorer 4.0 v6 ohv and i have an bank 1 sensor 1 code. which o2 sensor is that?

Ford Explorer and V8 O2 Sensor Locations diagram. This shows the location of Ford oxygen sensors on Bank 1 and Bank 2. If you want to know where your O2 sensors are, this diagram is your guide (click over pic for zoom)...


Hope helps with this (remember to rate and comment this answer).

Apr 29, 2011 | 2000 Ford Explorer

2 Answers

How do you locate O2 sensors on 1996 explorer v-6

There are 4 oxygen sensors (o2 sensors)and they are all located on the exhaust coming from the motor under the vehicl by the catylac converters.

Nov 29, 2010 | 1996 Ford Explorer

1 Answer

I need the positions of all the oxygen censors on a 97 ford explorer

I would assume you have never looked under your vehicle, or have no knowledge of O2 Sensors

They are always in the exhaust pipes, either just before the converter or in the converter.
The second one, is almost always in the converter, at the outlet.

Some vehicles have two,some four.

You can always follow the wires to them

Replace with the exact part,some sensors are universal, and require cutting wires,splicing etc. Forget them.

O2 Sensor Codes----you may get,DO NOT tell you they are bad or what to replace.
Just that a sensor is out of range. Always test first. Don't throw parts at it.

Oct 07, 2010 | 1996 Ford Explorer

1 Answer

1996 ford explorer v8 forward o2 sensor bank one. How do you go about replacing this sensor?

As long as you know which one you are replacing it is very easy. Sometime these can be removed by a 22mm wrench but the best way to go is buying a oxygen sensor socket, the socket has a cut in it for the wires to slide in. You simply unplug the sensor and start the removal with the socket. It's easier to remove sometimes if the engine is warm. This keeps you from stripping the threads. When replacing, be sure the threads have anti-seize grease. I work for Bosch and run the line that produces 02 sensors. Buy the aftermarket because they are made the same way, with then same components. It may look a little different but it's just like the OEM if not better.

Jun 13, 2010 | 1996 Ford Explorer

2 Answers

I have a bank 1 too lean code on 1996 8 cylinder explorer how do i start

I would start with the O2 sensor on that side of engine.

Oct 16, 2009 | 1996 Ford Explorer

1 Answer

Fuel Pressure Problem on my 1996 Ford Explorer (4.0 V6)

Sounds like the fuel pressure regulator is going bad...this will cause the fuel pressure to be high and create a flooding condition. Which in turn will gas wash the motor and contaminate the O2 sensor with excessive fuel. Check fuel pressure with a gauge at the valve you are using to relieve pressure. You can find pressure specs on-line for that particular vechicle. If pressure is high...replace regulator, O2, change oil and reset computer by disconnecting battery for ten minutes...

Feb 19, 2009 | 1996 Ford Explorer

1 Answer

O2 sensors

The o2 sensor you are looking for is on the drivers side of the engine and it is the first on closest to the engine. Before the cat. I hope this is helpful.

Jan 05, 2009 | 1996 Ford Explorer

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