The oxygen sensor with the bosky wire is installed in the exhaust stream.
Oxygen sensors are key components in automotive fuel injection systems, and must be in top shape in order for the engine to meet emission standards. For example, if there is too much oxygen in the exhaust stream, the engine needs a slight increase in fuel to run properly. If there is no oxygen in the stream, there is too much fuel and the injectors are restricted by instructions relayed from the car's computer. Without the engine computer receiving good data from the oxygen sensor, the car will run, but very poorly.
Instructions
Heat the wire until melted solder flows into the strands and securely joins them together. Protect the solder joint with heat-shrink tubing. Heat the tubing with a propane torch until it shrinks tightly into place. In some cases, a car will have multiple oxygen sensors. The sensors are often installed both before and after the catalytic converter. This method analyzes the effectiveness of the catalytic converter and will turn on the check engine light if the converter fails.
2. Repair any defective wiring by using wire cutters to cut out the defect. Strip the wire with wire strippers and solder the spliced connection together.1. Unplug the oxygen sensor connector and use a socket wrench fitted with a special oxygen sensor socket to remove the old sensor. These special sockets are available at auto parts stores.
3. Install a new oxygen sensor (or replace the repaired sensor). Coat the threads of the sensor with anti-seize compound to make future removal easier. Tighten the sensor in place with the oxygen sensor socket. Plug in the sensor to the main engine wiring harness.
