Question about 1999 Ford Explorer

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Driving home Thursday. Turned corner to go up hill to my hope and lost power. Explorer wouldn't go. Seems to run fine in neutral or park. Managed to back up the hill and get home, but now it doesn't want to give me any power in either drive or reverse. When put under load, just sits there and engine sputters and will stall. Friend plugged in his analyzer yesterday and got the following codes: P1415 evaporative emission systen vent control circuit; P1409 EGR vacuum regulator selonoid circuit; P0750 shift selonoid A; P0755 shift selonoid B; P0760 shift selonoid C; P0765 shift selonoid D; P1747 pressure control selonoid A short circuit; and P0135 O2 heater circuit (Bank 1, sensor 1). We believe it is an oxygen sensor, but we don't know which one or where it is located. Please help if you can.

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The oxygen sensor is located just before the Catalytic Converter on the exaust system. Follow the exuaust system up to the converter and you will see it sticking out with a few wires just before the Catalytic Converter. Although changing it is not all that hard and only takes a few mins the difficult part is getting to it as space is tight. Its a simple 4 wire system that snaps in by wire harness. They range from 40.00 to 99.00 depending where you buy it and if you buy a universal or OEM (Original Equipment Manufacter). I would definatly have your fuel pump checked out as well as well as the fuel filter. Anytime the vehicle looses fuel PSI it could be a pump failure. check all three and you should be all set. It does not sound like a injector failure and is typical of the oxygen sensor.


Best of luck

Joe

Posted on May 30, 2009

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Posted on Jan 02, 2017

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