Wynn's 25693 Catalytic Converter & Oxygen Sensor Cleaner

Wynn’s Catalytic Converter & Oxygen Sensor Cleaner for petrol and petrol hybrid engines optimizes the efficiency of the catalytic converter and ensures the optimal working of the lambda (oxygen) sensors. Removes deposits (oil and unburned fuel particles) and reduces emissions. Ensures optimal working of the Cat and the O2 sensors. Recommended for all petrol and petrol hybrid engines. Curative: add 1 bottle (500 ml) to minimum 30 litres of petrol. Preventive: add 1 bottle (500 ml) to a full fuel tank.