2004 Ford Ranger "o2 sensors" Questions

P0403 P0171 P0446: EVAP System Vent Control Circuit http://www.autocodes.com/p0446_ford.html P0135: O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 P0135 Ford O2 Sensor Heater Circuit Malfunction

...O2 sensors reporting rich and lean voltage changes This causes the pcm to adjust injector pulses making them shorter and longer. causing more fuel or less fuel. From this condition you may see plug ...

thing for the sensor after the cat. Two sensors seldom fail at the same time, so I would be checking the power circuit going to the O2 sensors. You may need a shop manual to get the testing procedures

...o2 sensor replacement will not necessarily clear code . It may be necessary to use a scanner for that . O2 sensors are located after the cat converter and is not a heated unit as is the HO2S ...

codes po171 , po136 PO171 is the 1st o2 sensor on bank 1. With that said a vacuum leak will also throw this same code so before I go changing an o2 sensor I would completely go over the engine and ...

...O2 sensors on 98 Ranger XLT I understand that my ford ranger has 3 O2 Sensors. Apparently all of my sensors have a reading of "0" when hooked up to a diagnostic computer. Has anyone else ever ...

...and Where located ??? Could you please tell me how many O2 sensors a 2003 Ford Ranger with a 2.3 engine has and where they are located. Engine Heated oxygen and catalyst monitor sensors?2.3L ...

can adding hydrogen peroxide to gas tank eliminate o2 sensor alarm o2 sensor has slow response time causing engine check light activation failing inspection test I wouldn't add anything like hydrogen ...

...1990 ranger run with oil sensor disconnected Not getting any fuel. Will the truck start with the O2 sensor and/or the oil sensor sending unit disconnected? Short answer: Yesthe oil sensor

O2 oxygen Sensor extender - Does it work??? Can anyone tell me if there is any harm in useing an O2 sensor extender?? A device that backs up the O2 sensor and takes it out of the direct flow of the ...