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sometimes after making a repair or replacement, the computer needs to be reset by a mechanic

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โˆ™ 2009-04-06 22:09:22
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Q: Why is my 2002 ford explorer sport check engine light on I replaced oxygen sensor the light still on?
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What does an oxygen sensor do on a Ford Explorer?

The oxygen sensor(s) before the catalytic converter(s) is used to determine the air / fuel ratio of the engine


Where is the bank 2 sensor 2 oxygen sensor located on a 2001 Ford Explorer sport?

Bank 2 is the drivers side of the engine in your Ford Explorer Sensor 2 is after the catalytic converter ( downstream )


Where is oxygen sensor bank 2 sensor 1 located on a 1997 explorer?

Bank 2 is the drivers side of the engine in a Ford Explorer Sensor 1 would be somewhere in the exhaust before the catalytic converter ( upstream )


Explorer engine oil change soon light stays on?

If an Explorer engine oil change soon light stays on, the sensor needs replaced. The sensor may also need reset by holding the button down for five seconds.


Where is oxygen sensor bank 1 in toyota camry?

Bank 1 oxygen sensor is the closest to the engine exhaust manifold. It is usually can seen and replaced if necessary with open hood.


Where is the bank 1 sensor 1 oxygen sensor located at on a 2001 Ford Explorer?

Bank 1 is the passenger side of the engine ( V6 and V8 ) in a 2001 Ford Explorer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter


Where is the Oxygen Sensor for Bank 1 Sensor 1 on a 2002 Ford Explorer V6?

Bank 1 is the passenger side of the engine in your Ford Explorer Sensor 1 will be somewhere in the exhaust system , close to the engine , before the exhaust enters the catalytic converter ( upstream )


1997 Ford Explorer where is the oxygen sensor fuse located?

There is no fuse for the oxygen sensor. The only fuse is for the ECM. --------------------------------------------------------------------------------------------------------- On a 1997 Ford Explorer, there is a 20 amp mini fuse for the Hego system (heated exhaust gas oxygen sensor) in location # 11 in your power distribution box in the engine compartment. THE PD BOX IS LIVE - DISCONNECT YOUR BATTERY CABLES (Helpfull)


What is a HO2S21 switch for 1998 Ford Explorer?

I'M NOT A MECHANIC but if I'm reading this right it is a heated oxygen sensor , (bank 2 , sensor 1 ?) Which would be the heated oxygen sensor on the driver's side of the engine , either screwed into the exhaust manifold or into the exhaust pipe near the engine. (Helpfull)


Where are the Bank 1 Sensor 1 oxygen sensor on a 1998 Ford Explorer?

Where are the Bank 1 Sensor 1 oxygen sensor on a 1998 ford explorer?


Where is bank 1 oxygen sensor on a 1999 ford explorer sport 4.0 ohv?

I'm not a mechanic / technician but on a 1999 Ford Explorer 4.0 L Over Head Valve V6 engine , bank 1 is the passenger side of the engine and I BELIEVE the oxygen sensor is in the outlet of the exhaust manifold


Where is 02 sensor bank 2 location on a 1998 explorer?

where is the oxygen sensor location on a 1998 explorer bank 2 sensor


How do you Reset oxygen sensor dodge ram 1500?

The oxygen sensor can not be reset and must be replaced if defective.


What does an oxygen sensor do in a 1996 ford explorer?

The oxygen sensors located before ( upstream ) of the catalytic converters are used to " sense " the amount of oxygen in the exhaust to adjust the air / fuel ratio for the engine


Where is location of oxygen sensor bank 1 sensor 2 1998 ford explorer?

Bank #1 is the passenger side of the engine , and sensor # 2 is in the exhaust after the catalytic converter ( downstream )


Which oxygen sensor is most commonly replaced on a 2000 ford expedition 46 engine?

the one the AC drain leaks on to


How to replace oxygen sensor on a 2002 ford explorer xlt?

To replace the oxygen sensor disconnect the oxygen sensor electrical connector. Use an oxygen sensor socket to remove the sensor. spray the sensor with penetration oil if it is difficult to loosen. install in reverse.


Where is the upstream oxygen sensor on a 2004 ford explorer?

There should be ( 2 ) upstream oxygen sensors Bank 1 - Sensor 1 - which is for the passenger side of the engine , somewhere in the exhaust pipe near the engine and before the exhaust enters the catalytic converter and Bank 2 - Sensor 1 - which is for the drivers side of the engine , also in the exhaust pipe before the exhaust enters the catalytic converter


Where is the bank 2 oxygen sensor located on a 2003 Ford Explorer 4.0Litre?

Bank 2 is the drivers side of the engine on your Ford Explorer Sensor 1 is in the exhaust before the catalytic converter ( upstream ) Sensor 2 is in the exhaust after the catalytic converter ( downstream )


Replaced the upstream oxygen sensor and knock sensor but car still stalls?

maf sensor or idle air control/ecm. force-clean fuel injectors and reset engine timing and base idle


Where is bank one oxygen sensor on 2002 explorer XLT 4.0?

Bank 1 is the passenger side of the engine on your Ford Explorer Sensor 1 is in the exhaust ( or exhaust manifold ) before the catalytic converter ( upstream ) Sensor 2 is in the exhaust after the catalytic converter ( downstream )


Oxygen sensor has been replaced service engine light is on is the catalytic converter bad?

With out knowing what code is stored in the computer, that cannot be answered.


Is the bank one oxygen sensor on a v6 97 explorer on the passenger side?

Yes - bank 1 is the passenger side of the engine sensor 1 is before the catalytic converter ( upstream ) sensor 2 is after the catalytic converter ( downstream )


Where is the temperature sensor for 1997 explorer xlt located?

The 1997 Ford Explorer ambient temperature sensor can be found on the bottom of the drivers side mirror. The engine coolant temperature sensor can be found on the front of the engine.


What side of the engine would I find the oxygen sensor for bank 1 sensor 1?

On a Ford Explorer bank 1 is the passenger side of the engine and sensor 1 is in the exhaust ( either the exhaust manifold or the exhaust pipe ) before the catalytic converter ( upstream )