5 hidden fuel wasters you’re probably ignoring
Everyone wants better fuel economy, especially when prices are creeping up again. You’ve probably heard the usual advice — pump up your tyres, don’t drive like you’re in a race, and avoid carrying your garage around in the boot. But here’s the thing: most people are missing the real culprits.
There are fuel wasters happening under the bonnet that you probably can’t see. These problems don’t shout, but they slowly eat into your MPG and performance. Let’s break down five of them, and show how something as simple as the right engine performance booster can help stop the waste.
1. Dirty fuel injectors are costing you power
When injectors get clogged up with carbon and residue, your engine can’t burn fuel efficiently. You lose power, burn more fuel and the engine starts to feel a bit sluggish. It’s common, especially if you’re doing short journeys or using cheap fuel.
What helps?
Use a fuel additive that cleans as you drive. Powerboost Fuel Pro is one of the best fuel additives in the UK for injector cleaning. It breaks down build-up, helps restore spray pattern, and gets your combustion process working as it should. More power, less waste.
2. Water in fuel tanks is more common than you think
Condensation, poor fuel storage, or even just the weather can lead to water getting into your tank. Water doesn’t burn. Instead, it dilutes the fuel, reduces efficiency and can cause internal corrosion.
What helps?
Powerboost Fuel Pro emulsifies water in the fuel. That means it helps the engine burn it off safely without causing damage. It’s a quiet but powerful way to protect fuel economy. It also helps prevent the kind of issues that eventually clog diesel filters or damage injectors.
3. Carbon build-up is slowly choking your engine
Over time, carbon sticks to valves, pistons and inside your DPF. It’s a problem in both petrol and diesel engines, but diesels in particular can suffer badly — especially on stop-start urban routes.
A common question we see is how much to clean a DPF filter. The answer? Anywhere from £100 to £300, depending on the garage. And if you ignore it, you’re looking at even bigger bills down the line.
What helps?
Using a regular DPF cleaner or fuel treatment that supports cleaner combustion is far cheaper than waiting for a full DPF replacement. Powerboost Fuel Pro helps reduce carbon build-up by improving combustion. That means less soot, fewer DPF issues, and a cleaner-running engine. It’s not a direct replacement for professional DPF cleaning, but it absolutely supports it — and can help you stretch out the time between those bigger services. Plus treatments are just £3.50 per application.
Wondering where to buy DPF cleaner or looking for the best DPF cleaner UK? Powerboost Fuel Pro does the job while also improving overall engine performance.
4. Low fuel lubricity = more friction, less efficiency
Diesel fuel in particular needs to lubricate the fuel pump and injectors. But low-sulphur fuels — which are now standard — don't do a great job on their own. When lubricity is low, friction increases. That puts strain on components and causes inefficiencies.
What helps?
Powerboost Fuel Pro improves lubricity, reducing wear and energy loss. This kind of engine performance booster is especially useful in older diesels or hard-working vehicles like vans and HGVs.
5. Not all fuel is created equal
If you’re filling up with cheap fuel from whoever's cheapest that day, you’re probably not getting the detergents or burn quality your engine needs. Over time, that means more build-up, more waste, and lower MPG.
What helps?
Powerboost Fuel Pro turns average fuel into something better. It boosts combustion, improves fuel quality, and helps your engine get more from every drop. You don’t need to change forecourts — just upgrade what you’re putting into the tank.
The bottom line?
Fuel waste isn’t just about how you drive. It’s about what’s happening under the surface. Dirty injectors, water in the tank, carbon build-up, low lubrication — they’re all slowly chipping away at your fuel efficiency.
The smart fix? Use a trusted additive regularly. Powerboost Fuel Pro works quietly in the background to clean, protect and boost engine performance with every fill-up. Whether you’re trying to reduce emissions, avoid costly DPF cleaning, or just get better mileage, it’s a simple win.
No mess. No gimmicks. Just cleaner combustion and better results.