Automotive maintenance additive designed to remove carbon build-up and restore engine performance. Drivers who want smoother acceleration and fewer emissions will notice cleaner running and better responsiveness. Is Cataclean Diesel Fuel & Exhaust Cleaner the right routine treatment for keeping engines and exhaust systems healthy between services?
⚡ At a Glance
- • Cleaning Performance: Targets carbon deposits across fuel tank, lines, injectors, combustion chambers and exhaust components
- • Best for: Owners looking to reduce emissions, improve MPG and restore engine smoothness
- • Not ideal for: Drivers needing mechanical repairs rather than chemical cleaning
An 8-in-1 engine cleaning formulation designed to remove carbon build-up across fuel and exhaust systems. Add 500ml per 15 litres of fuel every three months for routine maintenance.
Lower Emissions – thanks to the 8-in-1 engine cleaning formulation
The formulation works chemically to dissolve and loosen carbon deposits from fuel injectors, combustion chambers and exhaust pathways, helping sensors and aftertreatment systems operate closer to design parameters. Cleaning oxygen sensors and EGR passages restores more accurate exhaust readings.
Reduced pollutant output can help avoid MOT emissions failures and reduce visible smoke. Regular use targets the causes of excess emissions rather than masking symptoms.
Improved Fuel Economy and Performance – with targeted injector and combustion chamber cleaning
Removing deposits from injectors and combustion chambers improves spray patterns and combustion efficiency, which reduces unburnt fuel and wasted energy. Better combustion leads to steadier idle and more responsive throttle behaviour.
Drivers should notice improved MPG and smoother, quieter running after treatment, particularly in older or higher-mileage engines. Acceleration tends to feel more consistent once deposits are reduced.
Protects Exhaust Aftertreatment – thanks to cleansing of DPF, catalytic converter and valves
Cleaning action reaches diesel particulate filters, catalytic converters and exhaust gas recirculation valves to help prevent soot build-up and sensor fouling. Cleaner passages reduce the workload on regeneration cycles and sensor corrections.
Lower risk of DPF or catalytic converter blockages and fewer sensor-related faults, which can cut repair bills and reduce the chance of roadside limp-home modes. Regular additive use supports longer component life.
✨ The 4 Key Reasons for Cataclean Diesel Fuel & Exhaust Cleaner
- 8-in-1 formulation - Treats multiple fuel and exhaust components in one 500ml dose
- Helps MOT readiness - Can reduce emissions enough to lower the risk of test failures
- Noticeable drivability gains - Smoother idle and improved acceleration after treatment
- Simple maintenance routine - Add 500ml per 15 litres every three months for upkeep
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: Cataclean
- Formulation: Original 8-in-1 engine cleaning system
- Volume: 500ml
- Compatible engines: Safe for all engines, according to manufacturer description
❓ Frequently Asked Questions
Q: Can this be used in petrol and diesel engines?
A: Yes, the manufacturer description states the formulation is safe for all engines, while the product name highlights diesel applications.
Q: How much should be added and how often?
A: Add 500ml of the cleaner per 15 litres of fuel, every three months for optimum results as stated by the manufacturer.
Q: Will it help with MOT emissions tests?
A: Regular use can reduce emissions by up to 60% according to the product information, which can help prevent MOT emissions failures.
🏆 Our Verdict
Suitable for drivers who want to address carbon build-up, improve fuel economy and protect exhaust aftertreatment systems. The 8-in-1 cleaning formulation targets fuel system components and exhaust sensors to restore smoother running and lower pollutant output. While individual costs vary, routine use can deliver long-term savings through better MPG and fewer emissions-related repairs.
