O2 Sensor
Place it to the side of the battery so that it cannot fall and accidentally allow the battery to associate and the engine to begin.2. Locate the oxygen sensor.
Instructions
1. Free the hood on your Ford Convoy and disconnect the negative battery cable from the battery.The emissions ascendancy operation of your Ford Convoy is designed to garner your engine running at its peak, ensuring bad Gauze milage and dependable performance. Changing the O2 sensor on a Ford Convoy every 5-6000 miles is a bit of the accepted continuation you can determine yourself, to benefit amass your engine running smoothly. You may fancy to concede changing the sensor still provided you haven't elapsed the recommended milage provided you originate to civility a change in the milage your Ford Convoy is getting or the engine begins to dash roughly.
On a Ford Escort, the sensor may be found either on the exhaust manifold, where the exhaust pipe enters the engine block, or it is attached directly in the header pipe beneath the exhaust manifold. The oxygen sensor will look like a cylindrical plug sticking out from the manifold or pipe with a #4 wire attached to the very top.
3. Disconnect the wire by gently pinching it between your fingers as close to the sensor tip as possible and pulling the connection apart.
4. Crack the sensor loose by putting a 7/8 wrench on the sensor so the wrench is firmly on the nut of the sensor and lightly tapping the handle of the wrench with a hammer until the sensor and the wrench move. The nut of the sensor looks similar to a regular nut but it is molded as part of the sensor body.
5. Use the wrench to unscrew the sensor and remove the sensor.
6. Spray a short blast of carburetor cleaner in the sensor hole and follow this with a short burst of air from your can of compressed air To cleanse out the hole.
7. Take your new oxygen sensor and insert it into the hold. Hand tighten the sensor with the 7/8 wrench.
8. Attach the #4 wire to the top of your new sensor.
9. Reconnect the negative battery cable to the battery and close the hood of the engine.
