Why does the car shake when the oxygen sensor is installed but not when it is unplugged?

[DeRachel]

The reason why the car shakes when the oxygen sensor is installed but not when it is unplugged is that the oxygen sensor is damaged. In this case, you need to go to a 4S shop or auto repair shop to replace the oxygen sensor. Here is the relevant introduction: Effects of a damaged front oxygen sensor on the car: Excessive exhaust emissions; deterioration of engine conditions; engine stalling at idle; inaccurate engine operation and reduced power; the engine computer cannot accurately judge the air-fuel mixture condition; affects the normal operation of the three-way catalytic converter. Function of the oxygen sensor: The automotive oxygen sensor is a key feedback sensor in the electronic fuel injection engine control system. It is a critical component for controlling vehicle exhaust emissions, reducing environmental pollution, and improving the fuel combustion quality of the car engine. Oxygen sensors are installed on the engine exhaust pipe. Maintenance of the oxygen sensor: Check the working condition of the oxygen sensor every 30,000 kilometers. If it shows signs of aging or failure, clean or replace the oxygen sensor promptly.