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Cataclean is an extremely effective cleaner that will remove carbon, resin and gum build-up from the fuel and exhaust system. It is different to other fuel & exhaust system cleaners as it can clean post-combustion as well as pre-combustion, helping with problems such as catalytic converter issues, catalyst codes and EGR Valve issues.

Performance and efficiency robbing carbon build-up occurs as a natural by-product of combustion, more severe issues happen when this is left to accumulate over time, such as: blocked catalytic converters, dirty sensors and engine management lights. Cataclean’s mechanism of action is to clean pre- and post-combustion, pre-combustion Cataclean is carried with the fuel – removing deposits as it passes over components like the fuel injectors and upon combustion, Cataclean creates an acidic vapour of carboxylic acids which will clean the exhaust system including oxygen sensors, EGR valve, catalytic converter and exhaust.

Negative consequences of carbon build-up can be reduced MPG, poor performance and increased emissions.

Here are some of the signs you could need Cataclean:

· Increased exhaust emissions

· Failed MOT/NCT emissions

· Reduced performance

· Black/white smoke

· Rough running

· Lower fuel consumption

· Reduced power

· Engine management light

Using Cataclean can prevent and cure these problems and ensure your engine runs better and lasts longer.

The ultimate 8-in-1 product, Cataclean can clean:

· Fuel Tank & Lines

· Fuel Injectors

· Combustion Chamber

· Intake Valves

· Oxygen Sensors

· EGR (Exhaust Gas Recirculation) Valves

· Catalytic Converter

· Petrol & Diesel Particulate Filters (PPF / DPF)

How Cataclean works in the Catalytic converter

Upon combustion Cataclean creates an acidic vapour containing carboxylic acids which travels with the exhaust fumes, simply this acidic vapour will remove the carbon build-up from the catalytic converter and exhaust. The result is the removal of damaging deposits from the surface of the core, which increases the catalyst’s ability to remove harmful exhaust emissions such as carbon monoxide & nitrogen oxides, ideal for the MOT/NCT/Smog check.

Cataclean does not alter fuel composition and is safe for all petrol, diesel and hybrid engines as well as 2-stroke and 4-stroke engines.

How should I use Cataclean?

Add one 500ml Cataclean treatment to approximately a quarter a tank of fuel (15 Litres), drive the vehicle for approximately 15-20 minutes and refuel when necessary.


If you want further information, please check out our FAQ section.