STP Complete Fuel System Cleaner - Diesel 400ml
Complete Fuel System Cleaner for Diesel engines from STP harnesses concentrated cleaning power to clean and protect your entire fuel system. This enhances performance to the max and is proven both on the road and track to save fuel and restore lost power and acceleration. This is often due to the build up of harmful deposits and lack of vital cleaning. Reduce emissions and smoke and put an end to hard starts and engine hesitation by using this Fuel System Cleaner.
Pour entire bottle into fuel tank every 4000 miles (6400 km)
Suitable for all diesel engines