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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 …

Cataclean is a fuel and exhaust system cleaner. Cataclean will remove the harmful carbon build-up in the valves, injectors, oxygen sensors, EGR valve, and catalytic convertor.

Cataclean is a fuel and exhaust system cleaner. Cataclean will remove the harmful carbon build-up in the valves, injectors, oxygen sensors, EGR valve and catalytic convertor.

1. Is Cataclean suitable for my vehicle? 2. I’ve just got a new car/van, when should I use Cataclean? 3. How does Cataclean work? 4. How often can I use Cataclean? 5. I have a fuel injector problem, can …

Cataclean® PowerShot Tool & Garden every 3 months Find Out More & Buy Now

Holley’s Cataclean sales have grown significantly over the last four years. Cataclean is one of Holley’s best performing products and contributes significantly to Holley’s bottom line.

Testimonials Read a selection of REAL user reviews of our Cataclean products. “This is not the first time that I’ve used this product. My new car has some hesitating and emissions issues after failing the …

Cataclean is a fuel and exhaust system cleaner. Cataclean will remove the harmful carbon build-up in the valves, injectors, oxygen sensors, EGR valve, and catalytic convertor.

Cataclean is a fuel and exhaust system cleaner that removes the harmful carbon build-up in the valves, injectors, oxygen sensors, EGR valve, catalytic converter and Diesel Particulate Filter (DPF).