Is Redex diesel fuel system cleaner any good?

We reckon Redex works out at about 5p extra on every litre of fuel used, but that’s less than the fuel saving we’ve experienced. But as 5p a litre is about half the extra of ‘Premium’ fuel, it’s pretty cost-effective as a way of getting your fuel system to work more effectively.

What does Redex diesel actually do?

The purpose of the Redex fuel system cleaners is to remove this build-up of deposits and keep the fuel injection system clean. By doing so, the fuel will burn more cleanly and therefore give you better performance and fuel economy as the engine is working more efficiently.

How often should I put Redex in my diesel engine?

How often should I use Redex DPF Cleaner? We recommend that you use Redex DPF Cleaner in every second or third tank of fuel, particularly if you drive short journeys or do a lot of stop/start driving in a city.

Does Redex fuel additive work?

Overall, we haven’t noticed any extreme changes using Redex over the past few months. However the idea of a system clean is still a good one, though. Redex provides preventative measures for keeping fuel tanks clean and can improve fuel economy over time.

Do you put Redex in before or after filling up?

Whilst we’d recommend adding a shot of Redex each time you fill up, the product can be added at any time – provided your vehicle is adequately fuelled. For maximum convenience, we’d recommend buying a Boot Pack containing four bottles of fuel additive that can be used each time you top up the tank.

How often should I use Redex?

We recommend that you use Redex DPF Cleaner in every second or third tank of fuel, particularly if you drive short journeys or do a lot of stop/start driving in a city. DPFs naturally become blocked, and it’s important that you don’t let it get more than 80% blocked.

Can Redex damage your engine?

No, Redex products are perfectly safe and will not cause any damage or impairment to your car. Redex products are specially formulated to provide a reliable engine-cleaning solution that will remove harmful deposits from your fuel system without causing damage.

What is the difference between regular diesel and premium diesel?

A premium diesel has a higher cetane number, better lubricity and includes detergents that provide injector-cleaning capability versus standard #2 diesel. Higher cetane equals a shorter delay and better ignition quality for quicker start-ups and less pollution.

Should I use Redex?

Redex should be used regularly to keep your engine and fuel injectors performing at their best. Whether you’re experiencing poor engine performance, you want to maintain the life of your engine or you want to increase fuel economy, a regular dose of Redex can help by removing harmful deposits from your fuel system.

Why do you need redex diesel fuel system cleaner?

Adding Redex Diesel System Cleaner to your tank regularly can help to keep your car fitter by caring for it inside and increasing fuel economy. Cleans fuel system Reduces emissions Restores performance Improves the life of your engine Boot Pack of 4 bottles also available for convenience

How often do you use Redex fuel additives?

Here’s a list of each Redex product and the interval at which they should be used: Redex System Cleaner (Petrol, Diesel and Hybrid) – Use whenever you fill up the tank, or every other time you fill up, depending on mileage and the age of the car.

How big of a tank of diesel can redex treat?

A: Redex is available in a range of bottle sizes and each is deisgned to deliver the correct amount to treat 50 litres or one tank of fuel. The Redex “one shot” bottles contain 125ml, which is one “dose” of Redex for a full tank.

How often should you use redex advanced system cleaner?

Redex Advanced System Cleaner (Petrol and Diesel) – Use if you’ve not used additives in your car before, and then every 3,000 miles to boost your car’s health and give the fuel system and engine an intensive clean.