Question about 1996 Ford Explorer

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Hi. fuel consumption and sensor

I have just replaced an oxigen sensor in my 1996 explorer ( 4wd) . sudenly the fuel consumption is much higher. my mechanic said it has nothing to do with it ( obvievsly) . can it be that when the sensor was broke ( it didnt work) the fuel consumption was better? how much an explorer in a good shape with 62140 milage should cunsumpt ?

thank you
idan from israel

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  • idanabuhav Aug 19, 2008

    thank you. i'll try it



    idan

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THE FUEL MILAGE ON THAT PARTICULAR VEHICLE SHOULD BE SOMEWHERE AROUND 17MPG IF IT IS EQUIPED WITH THE 4.0L V6. ONE THING YOU MIGHT WANT TO TRY IS TO RESET THE K.A.M. ON THE VEHICLE. THIS WILL RESET ALL OF THE FUEL CURVES AND OXYGEN SENSOR PARAMETERS AND ALLOW THE SYSTEM TO RE-LEARN HOW MUCH FUEL IS NEEDED TO RUN PROPERLY. TO DO THIS YOU CAN SIMPLY DISCONNECT THE NEGITIVE AND POSITIVE BATTERY CABLES AND LET THE VEHICLE SET FOR ABOUT 10-15 MIN. AFTER THAT TIME TOUCH THE TWO CABLES TOGETHER FOR ABOUT 15 SEC. AND THEN REINSTALL BATTERY CABLES ON BATTERY. THIS MAY HELP IN YOUR CASE BACAUSE WITH A NEW OXGEN SENSOR, THE COMPUTER IS NOT USED TO SEEING THE CORRECT READING SO WHEN IT DOES GET THE READING THAT IT NEEDS, IT DOES NOT KNOW WHAT TO DO WITH THEM.

Posted on Aug 19, 2008

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The first step you need to do is Check the Oxigen ( O2 sensor)
Connections The front and the rear one.
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Check Spark plug Replace if need.
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IF THE RESET HAS BEEN DONE THEN IT WOULD BE THE SAME. BUT IF THE MECHANIC ONLY CLEARED THE CODES AKA. THE CHECK ENGINE LIGHT.... THEN NO IT IS NOT THE SAME. RESETING THE KAM IS A VERY DIFFERENT THING. TO DO THIS WITH A SCAN TOOL YOU MUST HAVE THE FACTORY(FORD) SCAN TOOL AND NOT JUST A GENERIC SCANNER. AND THE 17 MPG SHOULD BE FOR THE CITY AND ABOUT 19-20 ON THE HWY.

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WHICH O2 SENSOR HAS THE HEATER CIRCUIT IN IT BEFORE OR AFTER THE CATALYST


Hi.
The Oxigen sensor are in diferent kind.
1 -- With a single wire. " is only oxigen sensor"
2 -- With 2 wires " is only oxigen sensor"
3 -- With 3 wires " Is oxigen and heater sensor"
4 -- With 4 wires " is oxigen sensor and heater sensor.
5 -- with 6 wires " is oxigen, heater A/F sensor" normally Nissan)

OK........Your question.
Depend of the year of your car.
But all the car they are Bank 1 or single bank. Engine in line
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But all the Engines in V are bank 1 and bank 2.
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Sensor 1 bank 2, sensor 2 bank 2, S12 or S22.
Sensor one is alway before catalystic.
Sensor two is alway after catalystic.

If you have problen with the oxigen sensor you need to put a scanner to see the number of code, The number of code will give the especific sensor that you need to replace.
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I hope this information work for youu.
Thank you for use fixya.

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