About our Engine Remapping Company in London

JL Engineering Ltd is a longstanding company that provides ECU remaps and DPF cleaning services for the transport industry. From our base in Raynes Park, South West London, we provide comprehensive engine remapping and DPF filter cleaning services for commercial, coach, lorry, bus and truck fleet operators in the Greater London and Surrey areas.


Our deep understanding of the way fleet operators run their businesses means we can efficiently deal with company vehicles and the need for optimum performance whilst saving money on fuel costs. The ECU remaps that we use are designed to produce the highest levels of performance and to achieve premium results.


We use the latest PURIclean technology for DPF cleaning, which removes all traces of debris from the exhaust system. Our methods are designed to get the most from vehicle fleets and to benefit all customers in London and Surrey, in terms of both cost and performance.



Fully Trained and Qualified Technicians

Our team of technicians and mechanics are fully trained and qualified in the field of engine remapping and DPF filter cleaning. ECU remaps are a major part of our services but we also carry out air conditioning servicing, vehicle diagnostics and mechanical fault-finding. We also provide electrical repair services and safety checks ahead of MOT testing.


We are London’s largest stockist of Webasto heater parts. JL Engineering Ltd provide heater servicing and repairs for Man, Volvo, Scania, DAF, IvECU, Renault and Land Rover models quicker than any other company in London and Surrey. Our resourceful workshop allows us to test water heaters and the most common air heaters quickly and efficiently.


Our company consistently supplies the knowledge and know-how for all engine remapping and DPF cleaning requirements in the London and Surrey areas.


Call us today to find out how engine remapping can make your London or Surrey fleet more ECUnomical.