The oxygen sensor--also accepted as an Oxygen sensor--in a 1999 Toyota Corolla determines the extent of O2 in the Corolla's exhaust process, then sends that facts to the engine personal computer. Whether you can accomplish this, then the engine is frore enough to start working.2. Open the hood and locate the oxygen sensor on the front of the exhaust manifold. It is a 3-inch long tube that sticks out perpendicular from the exhaust manifold at the front of the engine between the cylinder head and the radiator, clearly visible when you open the hood.
1. Sanction the engine to air-conditioned for at least an generation prior to working on the engine. You desire to be able to distance your ability Apartment lodgings on the top of the engine for at least 10 seconds. In turn, the pc determines how still fuel and Glimmer to deliver to the Engine so it Testament flight properly. Whether the oxygen sensor goes outside, you may grasp reduced fuel economy or your engine running poorly.
Instructions
It's also the only thing on the exhaust that has an electrical harness. The wiring harness is approximately 2 inches away from the end of the sensor; it connects directly to the oxygen sensor. Unplug the wiring connection from the sensor to the vehicle using your hands.
3. Unbolt the sensor from the exhaust manifold, using your hands. Then remove the sensor and the underlying gasket and discard or recycle them.
4. Place the replacement gasket on the studs, then install the replacement O2 sensor on the exhaust manifold, using the 3/8-inch ratchet and socket. Reconnect the electrical connections on the sensor.
