10 Best Fuel Injection Cleaner in The UK

Last updated on 02/08/2025

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WYNNS Professional Diesel Injector Cleaner - One-Tank Solution for Optimal Fuel System Performance - Cleans & Lubricates Injectors - Improves Fuel Economy & Engine Efficiency - 500ml

4% Off

Why We Love It

Powerful one-tank cleaning solution.
Restores injector efficiency instantly.
Improves fuel economy significantly.

Main Highlights

✅ POWERFUL ONE-TANK CLEANING FOR DIESEL ENGINES: Formulated to deliver a deep and effective cleaning process in just one tank, ensuring that diesel engines operate at their peak performance. Designed to target and remove stubborn deposits, this advanced formula works efficiently to clean injectors and maintain optimal fuel delivery. It also contributes to keeping the EGR valve and turbo clean, preventing blockages that could impact engine efficiency. Suitable for all types of diesel engines, including high-pressure common rail and pump injector systems, this one-tank solution ensures thorough cleansing while optimising fuel combustion and engine power.
✅ CLEANS AND PROTECTS INJECTORS FOR OPTIMAL SPRAY PATTERN: Instantly eliminates harmful carbon deposits and residues that accumulate over time in injectors, restoring them to their original efficiency. By maintaining an ideal injector spray pattern, this treatment ensures precise fuel atomisation, resulting in improved combustion, lower emissions, and better fuel economy. The enhanced spray pattern promotes smoother engine operation, reducing vibrations and noise. Continuous use helps maintain the cleanliness of injectors, ensuring consistent fuel delivery and long-term engine reliability, making it an essential solution for preserving diesel engine health.
✅ LUBRICATION AND PROTECTION FOR INJECTION SYSTEMS: Provides superior lubrication to critical fuel system components, reducing wear and extending the lifespan of injectors and pumps. This protective action is especially beneficial for high-pressure injection systems, such as TDI, HDI, and other advanced diesel technologies, which require precision and durability to function effectively. By forming a protective barrier, this formulation minimises friction and enhances the smooth operation of fuel delivery components, preventing premature wear and costly repairs.
✅ RESTORES ENGINE PERFORMANCE AND PREVENTS STARTING ISSUES: Designed to bring engines back to their optimal working condition by eliminating contaminants that hinder performance. It helps to restore lost power, ensuring smooth acceleration and a steady idle. Additionally, this treatment minimises engine hesitation, misfires, and irregular combustion, providing a more reliable driving experience. By eliminating injector clogging and deposit buildup, it enhances combustion efficiency, making cold starts easier and more dependable.
✅ IMPROVES FUEL ECONOMY AND ENHANCES ENGINE RELIABILITY: Contributes to better fuel efficiency by ensuring a clean and well-maintained fuel system. With enhanced injector performance and optimised combustion, diesel engines operate more efficiently, reducing fuel consumption and operational costs. The increased fuel economy leads to lower emissions, making it an environmentally conscious choice. Additionally, this treatment enhances engine reliability by preventing unexpected breakdowns related to fuel system issues, offering peace of mind and long-term performance benefits for diesel vehicle owners.

Wynn's Total Action Petrol Injector & Fuel System Cleaner Additive Treatment 325ml

5% OffFree Shipping

Why We Love It

Boosts engine performance significantly.
Reduces emissions and smoke.
Prevents EGR Valve clogging.

Main Highlights

Triple action cleaning: before, during and after combustion.
Reduces CO and HC emissions and exhaust smoke.
Improves combustion, engine performance, and fuel economy.
Prevents clogging of the EGR Valve.
Cleans the catalytic converter and gasoline particulate filter.

Liqui Moly 5156 Pro-Line Diesel System Cleaner 500ml

Why We Love It

Reduces pollutant emissions efficiently.
Suitable for all diesels.
Enhances fuel system maintenance.

Main Highlights

Reduces the pollutant emissions, optimizing smoke opacity before the emissions test. Successfully tested in international testbench investigations.
Suitable for all diesel engine vehicles including those with Common Rail and pumped-jet injection systems.
Add to the tank during each inspection and after carrying out repairs on the fuel system. To eliminate problems, we recommend mixing diesel system cleaner with fuel during refueling over a period of approximately 2,000 km.

WOL WORLD OF LUBRICANT

WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)

5% Off

Why We Love It

Restores engine performance effectively.
Cleans and lubricates fuel system.
Reduces emissions and fuel consumption.

Main Highlights

DIESEL FUEL SYSTEM CLEANER Improves fuel stability and reduce diesel emission and restore engine performance. Also help to keep both the injectors and fuel system clean and efficient.
REMOVES ALL TYPES OF DEPOSITS and contaminations and removes moisture from the fuel system. Cleans injector nozzles, inlet valves and combustion chamber. Increase performance and prolonged life span creating the most benefits from your car.
RESTORES ENGINE POWER and reduces fuel consumption. Also forms ceramic anti-wear coating on the fuel equipment parts. Help to lubricate the pumps and injectors and compensate for the reduced lubrication of low sulphur diesel.
DIESEL INJECTOR CLEANER AND FUEL STABILIZER cleans and restores diesel particulate filters and hastens the speed of soot burn-out, eliminating high temperature requirements.
CAR CARE This Diesel fuel additive is specialized fuel injector cleaner, carbon deposit remover, fuel lubricant and stabilise diesel fuel that guarantees low fuel consumption with high wear resistance.

Red Line (60103 Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment - 15 Oz Bottle

18% Off

Why We Love It

Exceeds expectations for cleaning.
Enhances gasoline stability efficiently.
Simple one-bottle application.

Main Highlights

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
One 15 Ounce Bottle

STP Ultra 5 in 1 Petrol System Cleaner 400ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

4% OffFree Shipping

Why We Love It

Boosts overall fuel system cleanliness.
Enhances engine performance noticeably.
Promotes superior fuel economy.

Main Highlights

Concentrated Cleaning Power - Cleans and conditions the entire fuel delivery system in one tank
Restores Power and Performance - Recovers peak engine performance by removing harmful deposits
Protects Your Engine - Reduces friction and protects key engine parts from wear and corrosion
Reduces Petrol consumption and exhaust emissions - promotes better fuel economy
For capless fuel tanks, please use manufacturer supplied funnel to pour STP additive in
Packaging may vary

LIQUI MOLY Fuel System Treatment | 300 ml | Petroladititive | SKU: 8365

7% OffFree Shipping

Why We Love It

Prevents engine performance decrease.
Reduces emissions significantly.
Long-term protection guaranteed.

Main Highlights

Used for petrol injection systems with or without turbocharging.
Maintains and protects the entire fuel system from wear, deposits and corrosion. Improves engine running and prevents performance decrease. Clean engines need less fuel and reduce emissions.
For preventive maintenance, add to the fuel tank every 2,000 km. The product mixes with the fuel automatically. The contents of one 300 ml can is sufficient for up to 75 litres of fuel. With a long-term effect lasting around 2,000 km
Item Package Dimension: 5.4cm L x 9.5cm W x 19.0cm H

Wynn's Xtreme Petrol System Cleaner - Complete Fuel System Cleaner - Restores Fuel Economy & Engine Performance - Prevents Turbo, EGR & Catalytic Converter Issues - 325ml

11% OffFree Shipping

Why We Love It

Restores engine performance effectively.
Removes stubborn fuel deposits.
Reduces exhaust emissions noticeably.

Main Highlights

✅ COMPLETE FUEL SYSTEM CLEANING: This high-performance fuel system cleaner is designed to clean the entire fuel system, from the fuel tank to the injectors, ensuring optimal engine performance. Its advanced formula dissolves stubborn carbon deposits, varnishes, and residues that accumulate over time, helping to maintain engine efficiency. By thoroughly cleaning the injectors, combustion chambers, and intake valves, it restores smooth operation, reduces knocking, and enhances acceleration. The powerful cleaning action prevents build-up that could lead to costly repairs, ensuring a more responsive and reliable driving experience.
✅ RESTORES FUEL ECONOMY & ENGINE PERFORMANCE: Engine efficiency declines when deposits and impurities accumulate in the fuel system, leading to increased fuel consumption and reduced performance. This specialised cleaner restores lost power and fuel economy by effectively removing harmful residues that can clog fuel injectors and disrupt proper fuel atomisation. With improved combustion efficiency, the engine runs more smoothly, delivering better throttle response and power output. The formula works to reduce hesitation, rough idling, and sluggish acceleration, ensuring an optimised driving experience.
✅ PROTECTS CRUCIAL ENGINE COMPONENTS – TURBO, EGR VALVE & CATALYTIC CONVERTER: Keeping key engine components clean is essential for preventing performance issues and costly repairs. This powerful cleaner helps maintain the efficiency of the turbocharger, exhaust gas recirculation (EGR) valve, and catalytic converter by reducing carbon buildup and prevents harmful deposits from forming. By keeping these components free of obstructions, it allows for optimal airflow and exhaust processing, reducing the risk of blockages and malfunctions.
✅ PREVENTS STARTING ISSUES & ENSURES SMOOTH IGNITION: A dirty fuel system can lead to difficult engine starts, misfires, and rough idling. This advanced cleaner eliminates the contaminants that interfere with proper fuel delivery, ensuring a more efficient and reliable ignition process. By keeping fuel injectors, intake valves, and combustion chambers clean, it ensures proper fuel atomisation and smooth engine start-up, even in cold weather conditions. Regular use of this cleaner helps prevent common fuel-related issues, reducing the chances of stalling, hesitation, or power loss while driving.
✅ PEA-BASED FORMULA FOR MAXIMUM CLEANING POWER: Formulated with Polyetheramine (PEA), this fuel system cleaner offers superior cleaning performance by breaking down stubborn deposits that traditional cleaners struggle to remove. PEA effectively dissolves carbon, varnish, and other contaminants that accumulate in the fuel system, ensuring a thorough cleaning action. This advanced formula works quickly to restore optimal fuel injector spray patterns, improving combustion efficiency and reducing harmful emissions. Unlike conventional additives, this high-strength cleaner provides long-lasting protection, keeping the fuel system clean and functioning at peak performance for extended periods.

Wynn's Air Intake & Carburettor Cleaner - Powerful Solvent Formula for Deep Cleaning - Removes Gum, Lacquer & Deposits - Strong Jet Spray for Maximum Cleaning - 500ml

Free Shipping

Why We Love It

Cleans thoroughly without disassembly.
Powerful jet spray action.
Effective on all engine types.

Main Highlights

✅ STRONG SOLVENT FOR POWERFUL DIRT REMOVAL: The high-performance formula is designed with a potent solvent that swiftly dissolves and removes stubborn dirt, grime, and deposits. The strong solvent action works effectively to break down built-up contaminants, ensuring optimal performance of the air intake system. By eliminating accumulated residues such as gum, lacquer, and other combustion by-products, it helps maintain engine efficiency and fuel combustion. The deep-penetrating solution ensures that even the toughest dirt is removed without leaving behind any residue, making the cleaning process fast, reliable, and highly effective.
✅ HIGH-PRESSURE SPRAY FOR MAXIMUM CLEANING PERFORMANCE: The powerful jet spray technology enhances the cleaning process by providing a strong and directed application to remove dirt from hard-to-reach areas. This high-powered spray mechanism ensures that the cleaning agent is applied precisely where needed, effectively breaking down layers of grime in the air intake manifold, throttle valve, and carburettor parts. The forceful spray helps to loosen stubborn residues, eliminating deposits that could otherwise impact the engine's air-to-fuel ratio. This feature is particularly useful for thorough cleaning without requiring excessive manual scrubbing or repeated applications.
✅ CLEANS AIR INTAKE SYSTEM AND CARBURETTOR WITHOUT DISASSEMBLY: The advanced cleaning formula is designed to work effectively without the need for dismantling engine components. This convenient feature saves time and effort, allowing for easy maintenance without requiring mechanical expertise. By directly applying the cleaner to the necessary parts, it removes built-up residue without causing damage to delicate components. This is especially beneficial for modern engines where disassembly can be complex and time-consuming. The cleaner targets throttle valves, visible carburettor elements, and intake manifolds, ensuring comprehensive cleaning without unnecessary labour.
✅ EFFECTIVELY DISSOLVES GUM, LACQUER, AND HARD DEPOSITS: Built-up gum, lacquer, and other sticky deposits can significantly affect the performance of an engine by restricting airflow and fuel delivery. This powerful cleaner is formulated to dissolve and break down these tough contaminants quickly, ensuring that air and fuel passages remain clear. Over time, fuel combustion by-products can lead to the formation of stubborn deposits that can interfere with engine efficiency, leading to reduced power output and increased fuel consumption.
✅ FAST-ACTING FORMULA FOR QUICK RESULTS: Engine cleaning and maintenance require efficiency, and this aerosol cleaner delivers rapid results with its fast-acting formula. The solvent works immediately upon application, breaking down contaminants in seconds and allowing for a thorough cleaning process in minimal time. This efficiency makes it ideal for regular use, especially for those looking to maintain optimal engine performance without lengthy downtime. The quick-drying nature of the cleaner ensures that no excess residue is left behind, preventing any interference with engine operation.

Liqui Moly 1803 Injection Cleaner 300ml

45% OffFree Shipping

Why We Love It

Cleans engine deposits efficiently.
Improves throttle response.
Suitable for all gasoline.

Main Highlights

For Petrol Engines
Removes deposits on injection valves, intake valves, spark plugs and in the combustion chamber and prevents them from reforming. Eliminates start problems and rough engine running.
For rectifying problems such as difficulties with starting, irregular idling, poor throttle response, performance losses, surges due to lean mixture and poor exhaust values caused by contaminated injection systems.
One 300 ml can is sufficient for up to 70 liters of fuel. This product is effective over 2,000 km. Injection Cleaner can be mixed with fuel at any time since mixing is spontaneous.
Repeat treatment if problems reoccur. Suitable for all gasoline injection systems.
One 300 ml can is sufficient for up to 70 liters of fuel. This product is effective over 2,000 km. Injection Cleaner can be mixed with fuel at any time since mixing is spontaneous.

8.7

Excellent

Save 45%

We scanned 999 products

We reviewed these offers relevant to the Fuel Injection Cleaner within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Wynn's, Liqui Moly, WOL WORLD OF LUBRICANT, Red Line, STP, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Fuel Injection Cleaner in the market, we considered we took a deep dive into 4996 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is WYNNS Professional Diesel Injector Cleaner - One-Tank Solution for Optimal Fuel System Performance - Cleans & Lubricates Injectors - Improves Fuel Economy & Engine Efficiency - 500ml. We love many things about this product by Wynn's. What sets it apart from the competition is Powerful one-tank cleaning solution. , Restores injector efficiency instantly. , Improves fuel economy significantly. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Wynn's Total Action Petrol Injector & Fuel System Cleaner Additive Treatment 325ml by Wynn's based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Fuel Injection Cleaner and the best cost-to-value ratio is Liqui Moly 1803 Injection Cleaner 300mlat Liqui Moly with a 45% discount.
Our list of the best Fuel Injection Cleaner is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Fuel Injection Cleaner in The UK

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We scanned 999 products

We concluded that: