Where To Buy The Oxygen Sensor And Save Some $$$

If the heater element tests prove that the upstream O2 sensor on your 2.3L Ford Ranger (Mazda B2300)is bad and you need to buy one, I recommend taking a look at the links below.

If you do some comparison shopping... you'll be surprised how more cheaper it is to buy the upstream O2 sensor online.

Check out the link below and compare:

NOTE: If you're not sure if the above O2 sensors fit your particular 2.3L Ford Ranger (Mazda B2300), don't worry, once you get to the site, they'll make sure the sensor switch is the right one, if not, they'll find you the right one.

More 2.3L Ford Tutorials

You can find a complete list of Ford 2.3L test tutorials here: Ford 2.3L Index of Articles.

  1. How To Diagnose A Misfiring Cylinder (2.3L Ford Ranger, Mustang, B2300).
  2. How To Test The Engine Compression (2.3L Ranger, Mustang, B2300) (at: easyautodiagnostics.com).
  3. How To Test For A Blown Head Gasket (2.3L Ranger, Mustang, B2300) (at: easyautodiagnostics.com).
  4. How To Test The Engine Compression (2.3L Ranger, Mustang, B2300) (at: easyautodiagnostics.com).
  5. Test the Ignition Module and Crank Sensor (2.3L Ranger, Mustang, B2300) (at: easyautodiagnostics.com).