Collection: Fuel additives

Fuel additives – products for petrol and diesel

Fuel additives serve specific purposes: they may help keep fuel-system components clean, improve certain low-temperature properties of diesel or support maintenance procedures recommended by the manufacturer. This category includes petrol and diesel additives, injector cleaners and diesel cold-flow improvers.

Petrol or diesel additive?

First check the fuel type. A product designed for petrol engines is not necessarily suitable for diesel engines, and vice versa. Check the dosing instructions, the maximum quantity of fuel treated by one pack and any manufacturer restrictions.

What does a diesel cold-flow improver do?

A cold-flow improver may enhance certain low-temperature characteristics of diesel when used correctly and under suitable conditions. It will not reverse paraffin that has already precipitated, nor does it replace winter-grade diesel meeting seasonal requirements. Results depend on the fuel and the product.

Can an additive repair faulty injectors?

No. A cleaning additive cannot fix mechanical injector wear, leaks or electrical faults. If you notice starting difficulties, rough running, smoke or fault codes, diagnose the cause first. Do not combine several additives unless their compatibility is confirmed.

Compare products by intended use, pack size and dosage recommendations. For issues involving exhaust gas recirculation and particulate filters, see EGR and DPF cleaning. No additive replaces suitable fuel or regular servicing.