Question about 1992 Isuzu Trooper
I need to reset my oxgen sensor light. I have tried disconecting the battery
After you remove about 8 phillips screws that hold the dash on you can unplug everything that is attached to it.You will see 2 phillips screws that hold the speedometer remove them. Then remove the plastic cover from the steering column(look on the under side you will see the recessed holes remove the 3 phillips screws). The cover will separate into 2 pieces. with that out of the way look on the left and right side of the steering column remove the 2 phillips screws (they point up and hold the bottom of the speedometer cluster. Unplug the connectors pull it out and look at the back you will see ksw marked in 2 places move the phillips screw from one to the other. That resets the ox. sensor.
Posted on Nov 16, 2008
I had the same problem when i had a new oxgen sensor put in i did find out that it is in the dash behind your speedometer i tried to do it myself but i got the dash off but i couldnt get the rest off so i just left it untill i can get a diagram to show me the rest of the way i hope this helped a little.
Posted on Nov 11, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
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.
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