Catalytic Converter & Lambda Cleaner

Wynn's Catalytic Converter & Lambda Cleaner for petrol and petrol hybrid engines optimizes the efficiency of the catalytic converter and ensures the optimal working of the lambda (oxygen) sensors.

  • Optimizes the efficiency of the catalytic converter.
  • Ensure optimal working of the lambda (oxygen) sensors.
  • Improves cleanliness and reduces emissions.
  • Restores engine performance.
  • Especially suited for city driving cycles.


Recommended for all petrol and petrol hybrid engines.


Add 1 bottle of 325 ml to 30 litres of petrol.
Bottle also suitable for capless fuel fillers.


PN 24463 – 12x325 ml – EN/FR/DE/NL/ES



The fuel system of a car is highly engineered and extremely sensitive to contamination. This contamination can increase engine noise, exhaust emissions, fuel consumption and reduce lubrication and engine power. Using Wynn’s Fuel treatments on a regular basis will help keep the fuel system clean and the engine operating efficiently, reducing your fuel consumption and cutting harmful emissions drastically. It will save you money and it is good for the environment!