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Go by the miles travelled. Refer to the owners manual for the replacment schedule. A new oxygen sensor will give you better fuel economy and performance.

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โˆ™ 2005-11-16 16:11:29
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Q: How do you know if your oxygen sensor still good?
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Related questions

Is a knock sensor the same as an af sensor?

No, it is not a knock sensor at all. An AF (Air/Fuel Ratio) sensor is also know as a wide range oxygen sensor. It is the newer type oxygen sensor.


Where is the oxygen sensor located on a 1998 Ford Explorer?

The oxygen sensor on any vehicle is located on under the car on the top of the muffler pipe just behind the cadallidic converter....do you know what the oxygen sensor looks like so you know what you're looking for?


How do you know an oxygen sensor is bad?

the check engine light will come on


How do you know which oxygen sensor is bad on PT Cruiser?

Replace both of them.


How do you replace the oxygen sensor on a 1994 Lexus ES 300?

Let me know if you find out. i am having trouble locting which one is 1 and which is 2... I was told i needed to replace the #1 oxygen sensor


How do you know if you need to replace an oxygen sensor?

You will know, You'll get a fault code on your (OBC) on board computer system.


How do you change the oxygen sensor bank 2 sensor 2 on a 2004 4Runner 4.0 Liter How do I know which sensor is Bank 2 Sensor 2 How many oxygen sensors does it have?

Bank 2 is on the passenger side of the vehicle. Sensor 2 is down stream ( behind ) the catalytic converter. Second sensor from the manifold. May have 4 sensors.


Where is the oxygen sensor located on a 1992 Pontiac Grand Am?

To answer this i will need to know whatsize engine you have.


How do you know if you need to replace the crankshaft position sensor?

If the car doesn't start, but the belts are good, the fuel system is good, the ignition is good, everything is good, but you don't know whats wrong, then its the sensor lol


How would you know if oxygen sensor is bad?

Your engine managment light will come on ,if you recently purchaced 1 and the light still comes on the wiring could be the wrong way round if it is universal


How do you know which oxygen sensor is not good from a Chevy Venture?

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How do you know when oxygen sensor is not working?

The computer will tell you. If you have a "check engine" light, connect a code scanner to see what the computer has detected. If there is a problem with the oxygen sensor the code scanner will display the appropriate problem code.


How do you know if the oxygen sensor is bad?

Generally, the onboard diagnostics will tell you when you scan the computer codes.


The check engine light is on the Auto Zone computer listed a hex code 3e but with no definition Do you know what this code is?

Chilton's manual shows 3E (PO 132) as the left upstream oxygen sensor shorted to voltage.The oxygen sensor input voltage is too high. The problem is in the oxygen sensor itself. (must be replaced) or in the Mini computer unit (MCU) The MCU controls input voltage to the oxygen sensors to control fuel flow. Good Luck I hope this helps


Whats up 2002 Toyota sienna check engine light is lit runs good sounds good drives good no obvious loose or damaged hoses wires fluids good gas cap seal looks good no blown fuses?

argudfhnrtfhionrsthionoftghn pooooo I have this model vehicle with the same problem. My friend has a code reader which states my engine light is related to an emissions problem. We are going to change out the front oxygen sensor to see if this fixes the problem. There is a rear oxygen sensor that is harder to get to or there may also be a problem with the catalytic converters (expensive). Will let u know if the front oxygen sensor replacements worked


How do you know if a o2 sensor is bad on a 1992 Lexus es300?

Stop by your local AutoZone. They will hook it up to a handheld tester and print out which oxygen sensor is failing.


How do you know a car oxygen sensor malfunctions?

Go to the auto parts store and buy a scanner OBD1 or OBD2 and it will let you know why your check engine light is on and if the o2 sensor is bad


How do you know when oxygen sensor is bad?

An oxygen sensor is bad when it is no longer performing inside a set of parameters that are designated and optimal. The oxygen operates in a very narrow window of voltage and provides feedback to the engine to adjust the air/fuel ratio to maintain performance and emissions. If the sensor is bad and returning poor data, the performance, emissions and mileage will suffer.


Where is oxygen sensor in Chrysler Sebring?

Need to know year and engine for specific answer. general answer is that there is usually one sensor on the exhaust manifold(s) and one sensor behind the catalytic converter.


Wire color for an oxygen sensor in a 99 Ford F250?

Which oxygen sensor? There are two of them. They each have 4 wires and each wire has two colors. There were two models of the f250 also, need to know engine size. Sorry.


Where is exhaust manifold sensor- Taurus?

By "exhaust manifold sensor" do you mean the O2 or oxygen sensor? The only sensor I know of on a exaust manifold is the O2 sensor and if you follow the manifold you will see 2 sensors sticking out they will have (usually) green wires coming from them


Where is the oxygen sensor 1 on a 1997 Saturn SL1 and is it hard to replace?

Oxygen sensor #1 screws in to the exhaust manifold just before the headpipe. The hardest part about replacing an oxygen sensor is screwing it out. Sometimes they are a little siezed in from the heat. after you get the old one out, you'll need to make sure you know how to electrically connect the new one. Some of the replacement oxygen sensors have a plug and others need to be spliced in. Just make sure you connect the wires correctly, following the color codes or the directions that came with the replacment sensor. It's relatively easy and a good first auto repair project.


How do you change an oxygen sensor on a Mazda mpv?

how you know with each one is with each one wen you reconnect everything .


How do you know if the oxygen sensor on a 1995 Chevy S10 4x4 is bad?

The check engine light would come on.


How do you replace oxygen sensor on 97 grand Marquis?

There are four oxygen sensors screwed into the converter assemblies. You need to know which one is faulty before attempting to replace them.

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