Frequently asked questions
Does the Petrol Emissions Reduction Treatment clean catalytic converters?
Catalytic converters convert harmful gases but do not filter. They cannot be cleaned with additives. JLM maintains that additives improve fuel and exhaust system performance, but do not clean catalytic converters.
Can JLM additives clean oxygen sensors?
Oxygen sensors may be cleaned using brake cleaner or Direct Injection Cleaner, though carbon buildup can be persistent. Replacement is often recommended.
Can Petrol Extreme Cleaner be used in a 2-stroke moped?
JLM additives are not designed for 2-stroke engines. While possible, it’s not recommended.
Does the GPF Cleaner also clean injectors?
No, GDI Injector Cleaner is a dedicated cleaner, while GPF Cleaner contains a regular injector cleaner.
Does the GDI Injector Cleaner help prevent Low Speed Pre-Ignition (LSPI)?
Cleaner combustion chambers may help prevent LSPI, but additives alone cannot fully control LSPI, as it has multiple causes.
Is JLM E10 Fuel Treatment suitable for classic motorbikes?
Yes, JLM E10 Fuel Treatment stabilizes fuel and reduces corrosive acid formation, making it suitable for classic motorbikes.
Does E10 or Petrol Extreme Cleaner provide more octane boosting?
JLM’s Octane Booster can add up to 4 points of octane, while E10 only adds 1 point.