Can the oxygen sensor be cleaned?

Method 1 is to use isomeric alcohol additive in fuel, which is not recommended.

Method 2, remove. It is effective to use Quanshuang brand ternary cleaning agent to clean oxygen sensor.

The third method is more powerful (use the cleaning agent after the cleaning effect is not good): remove it. Soak 10% ferric chloride solution (solid ferric chloride: it is best to use hydrogen peroxide as solvent, otherwise clear water will do)+10 hydrochloric acid mixed solution 15 minutes -30 minutes (slowly mix hydrochloric acid solution with ferric chloride solution while stirring; Pay attention to skin protection. ), rinse with water; As long as the oxygen sensor is not hard damaged, it can be repaired;