The color of the protective tube deposit is between bright white and granular light gray.
Silicon compounds exist in the corrosion components of some sealing materials, lubricants and antifreeze, and emit organic silicon gas in case of high temperature.
The surface of the oxygen sensor probe turns blue and green.
Antifreeze leaks from the cylinder head to the engine for combustion.
The surface of the protective tube is covered with a layer of white or gray black oily deposits.
Fuel additive or oil enters the engine for combustion.
There is a shiny rusty layer on the surface of the protection tube.
Use of leaded gasoline. Leaded gasoline will damage the three-way catalyst and oxygen sensor, and corrode its interior, and the mileage will drop sharply. With regular use of leaded gasoline, even a new oxygen sensor will only work for a few thousand kilometers.
The replacement cycle of the oxygen sensor is no more than 80,000 kilometers, and the oxygen sensor has aged around 80,000 kilometers. In order to ensure the normal operation of the entire EFI system, it is recommended to replace the oxygen sensor in time. If the vehicle is replaced with a three-way catalytic converter, the oxygen sensor should also be replaced, otherwise it will reduce the service life of the three-way catalytic converter.
① Stable idling, improving engine running
② Increase power, reduce fuel consumption
③ Improve fuel economy, reduce emissions
④ Generator fault light is not on anymore, driving more comfortable
The zirconia element has the characteristic of producing current according to the difference
in oxygen concentration at a temperature exceeding 300 degrees c. Using this characteristic,
the oxygen concentration inside and outside the zirconia element [atmosphere and exhaust
gas] can be detected. For The theoretical air-fuel ratio is richer [more] than fuel, and the
information of leaner [less] is fed back to the ECU, which is the working principle of the
zirconia oxygen sensor.
Delixoto oxygen sensor is produced and processed according to strict automotive electronics
industry standards, and 100% of the products have passed the test.Its detection performance
is precisely matched with the nominal model.
