What is the reason why the fault light of automobile cleaning throttle engine is on?

1. There is carbon deposit in the engine cylinder. After a period of use, carbon deposits will inevitably accumulate in the engine. These carbon deposits will change the design parameters of the engine, at the same time, their properties are unstable, accumulate heat, lead to disorderly ignition of the engine, and thus cause engine knock. In this case, the engine fault light will light up.

2. Solution: Clean the carbon deposit in the engine cylinder.