STP Complete Fuel System Cleaner for Diesel Engines is our best fuel additive. Proven on the road ...STP Complete Fuel System Cleaner for Diesel Engines is our best fuel additive. Proven on the road and track, it is specially formulated to clean and protect your entire fuel system for peak performance. It saves fuel, restores lost power and acceleration, reduces emissions and smoke, and reduces hard starts and engine hesitation. Cleans the entire fuel system in one tank. Removes deposits from Injectors, Valves and Combustion Chambers. Reduces Injector Wear. Reduces Corrosion and Prevents Filter Blocking. Directions: Add entire contents directly to a full tank of Diesel every 4000 miles/6400km. One bottle (400ml) will treat 50 - 60 litres. Safe to use with other STP additives. Suitable for all diesel engines including DI, IDI, common rail and catalytic converters.
This guide is for diesel engine owners looking to optimize their vehicle's performance and longevity. STP Complete Fuel System Cleaner offers a comprehensive solution for cleaning and protecting your fuel system, leading to improved fuel efficiency and reduced emissions. Note that consistent use, as directed, is key to achieving optimal results.
All features
Model Part Number
65400EN
Brand
STP
Extended Product Information
FAQs
How often should I use STP Complete Fuel System Cleaner Diesel?
Use one bottle per full tank of diesel fuel every 4000 miles (6400 km).
Is it safe to use in my diesel engine?
Yes, it is suitable for all diesel engines, including DI, IDI, common rail, and those with catalytic converters.
How much fuel does one bottle treat?
One bottle (400ml) treats 50-60 liters of fuel.
Can I use it with other fuel additives?
Yes, it is safe to use with other STP additives.
What are the benefits of using this product?
It cleans the entire fuel system, restores power, reduces emissions, improves fuel efficiency, reduces engine hesitation, reduces injector wear, and prevents filter blocking.
What if I accidentally spill the product?
Wipe up any spills immediately and avoid contact with skin and eyes. Refer to the product label for further safety information.
How do I store the product?
Store in a cool, dry place, away from direct sunlight.
What if my engine problem is severe?
The product is for preventative maintenance and addressing minor issues. Severe engine problems should be addressed by a professional mechanic.
Troubleshooting
Engine performance hasn't improved after one treatment.
Ensure the product was used correctly (added to a full tank). Consider a second treatment and verify proper maintenance practices are being followed. Significant existing issues may require more extensive service.
Smoke emission seems unchanged.
Allow for more driving time to see results. Severe issues may require professional servicing.
Difficulty adding the product to the fuel tank.
Use a funnel to ensure all contents are added to the fuel tank.
Pros and Cons
Pros
Improves engine performance.
Reduces harmful emissions.
Enhances fuel efficiency.
Easy to use - single-tank treatment.
Protects fuel system components.
Compatible with various diesel engine types.
Cons
Requires adherence to the usage schedule (every 4000 miles/6400km).
Results may vary depending on engine condition and driving habits.
Not a substitute for regular maintenance.
May not provide immediate noticeable improvements in all cases.
Requires a full tank of fuel for optimal effectiveness.
One bottle treats a limited amount of fuel.
Setup, Compatibility & Care
Compatibility: This product is suitable for all diesel engines, including those with catalytic converters.
Usage Instructions: Add the entire contents of one bottle (400ml) directly to a full tank of diesel fuel.
Dosage: One bottle treats 50-60 liters of fuel.
Frequency: Use every 4000 miles (6400 km).
Storage: Store in a cool, dry place.
Safety: Avoid contact with skin and eyes. Follow all safety precautions on the product label.
Additional Additives: Safe to use with other STP additives.