Why does the engine malfunction indicator light come on when the car's air conditioning is turned on?

[OColin]

The reasons why the engine malfunction indicator light comes on when the car's air conditioning is turned on are as follows: Sensors: The engine malfunction indicator light will come on when the sensors are damaged, have poor contact, or experience signal interruption. Engine: Poor engine maintenance is the most common cause of the engine malfunction indicator light coming on. Therefore, it is recommended that car owners perform regular maintenance and maintain good driving habits, otherwise it will increase the burden on the engine operation. Poor quality fuel and engine oil: If not added as required, it will cause engine wear over time, leading to the engine malfunction indicator light coming on. Generally, manufacturers will recommend which grade of fuel and which type of engine oil to use.