Save on Fuel. Restore Performance. Avoid Repairs.
JLM's Petrol Fuel System Cleaner products clean injectors, intake valves and the entire fuel system — in one simple tank top-up. No garage visit, no tools, no downtime.
Find Your Petrol Fix →
The JLM Petrol Fuel System Cleaner Range
Four additives. One mission: get your petrol engine breathing, burning and performing the way it left the factory. Pour the right JLM cleaner into a full tank of petrol — that's it.
Nagging Problem? JLM Has The Solution.
Match your symptoms to see how JLM cleaners restore your petrol engine.
The Problem
- Rough idling or hesitant acceleration
- Fuel consumption creeping up for no clear reason
- Engine knocking or pinging under load
- That nagging feeling your petrol engine isn't running like it used to
- Loss of power and sluggish throttle response
- Difficulty starting or misfires
✓ The JLM Solution
- Restored throttle response and smooth acceleration
- Reduced fuel costs — better economy from every tank
- Smooth, quiet driving with no knocking or pinging
- Restored performance — like a new engine
- Cleaner intake valves and combustion chamber
- Reliable starting and consistent performance
Which Petrol Fuel System Cleaner is Right For You?
Match your symptoms to the right cleaner. Click any row to jump to that product.
| Product | Best For | How Often | Treats |
|---|---|---|---|
 Injector Cleaner |
Everyday maintenance | Every 5,000 km | Injectors, intake valves |
 Fuel System Cleaner |
Regular deep-clean of whole fuel system | Every 5,000 km | Injectors, fuel pump, intake valves, combustion chamber |
| Performance Cleaner |
Sluggish response, rising fuel use, poor performance | When symptoms appear | Injectors, fuel pump, combustion chamber (stronger) |
 Extreme Clean |
Full engine detox, severe deposits | When symptoms appear | Injectors, intake valves, combustion chamber, fuel system |
Routine Protection for a Healthier Petrol Engine
Make injector cleaning part of your routine. JLM Petrol Injector Cleaner cleans injectors and intake valves. Ideal for regular preventive cleaning to keep your engine running like new.
Complete Cleaning from Tank to Combustion Chamber
Built for drivers and workshops who wish to clean the entire fuel system. The JLM Petrol Fuel System Cleaner penetrates deep into injectors, the fuel pump, intake valves and the combustion chamber, then leaves behind a protective barrier.
More Power to Clean Stubborn Carbon & Deposits
When throttle response feels lazy, fuel bills are climbing, or performance is dropping — it's time for something stronger. Performance Fuel System Cleaner uses enhanced ingredients to dissolve stubborn carbon, gum and varnish.
The Ultimate All-In-One Petrol Detox
One bottle for maximum petrol cleaning. JLM Petrol Extreme Clean is engineered to clean, restore and protect the fuel system, injectors, intake valves and combustion chamber in a single treatment.
Three Steps to a Cleaner Petrol Engine
No garage visit. No tools. No downtime. Just pour and drive.
Choose Your Cleaner
Match your symptoms, or your maintenance routine, to the comparison table above.
Fill Up As Normal
Pour the bottle into a full tank of petrol at your next fuel stop.
Drive As You Would
The additive works as you drive — no change to your routine.
Feel The Difference
Smoother running and a cleaner engine from the inside out.
Trusted Worldwide Across Garages & Racetracks
JLM Lubricants is the official Liquid Tools partner of the FIA European Rally Championship.
"Used Extreme Clean on my VW Golf with rough idling. Engine runs smooth as silk after one tank. Incredible product."
"I use the Injector Cleaner every 5,000 km as preventative maintenance. Engine runs smoother and fuel economy improved noticeably."
"As a workshop owner, I recommend JLM to all my petrol customers. The Performance Cleaner is our go-to for sluggish engines."
Frequently Asked Questions
Your Petrol Engine Deserves a Clean Restart
Shop the full JLM Petrol Fuel System Cleaner range and start driving cleaner today.