We offer professional ECU remapping UK, vehicle diagnostics, and
mechanic services. We provide safety, reliability, and affordability services throughout the UK.
Improve power, torque, and throttle responsiveness for smoother, more responsive driving.
An optimally mapped engine functions efficiently. It can help you run for a longer period of time, and it can also reduce the amount of money that you will spend on running.
Every remap is customised for your vehicle. We are committed to providing you with safe and reliable service.
With 2 years of hands-on experience, our expert technicians know how to optimise your engine.
WJ Tuning is an affordable mobile vehicle remapping and automotive services company in Saffron Walden, Essex. We are ECU remapping specialists
UK-wide, and we also specialise in TCU gearbox remapping, vehicle diagnostics, and mobile mechanic services. WJ Tuning was founded by Wayne Freestone and Johnny Brooks with the simple belief that professional vehicle services should be convenient, affordable, and easy to access. If you’re a car owner needing a little more performance, a tradesperson who can’t do without their van or a motorist needing reliable help, WJ Tuning is here for you.
Hundreds of vehicle owners across the UK trust WJ Tuning to deliver professional, reliable results every time.
Before, during and after your service, we are here to answer questions and provide support
Our mission is to be one of the UK’s most trusted mobile vehicle service
providers. We deliver high-quality ECU remapping, vehicle diagnostics, and
mobile mechanical services directly to our customers, wherever they are.
We aim to make professional automotive services convenient, affordable and
reliable for every vehicle owner in the UK. All work is carried out with care, honest advice, and an eye to the long-term performance and reliability of your car.
Boost your vehicle’s responsiveness, drivability, and efficiency with custom ECU remapping for your engine.
We perform all work with an emphasis on safety, dependability and the longevity of your vehicle.
Every vehicle is unique. Our remapping, diagnostics, and mechanical services are customised to meet your specific needs.
You can expect the best service, lowest prices and mobility at WJ Tuning. Looking for a vehicle remapping or mobile car tuning near me? We’ll come to you to do your job, wherever you are in the UK.
All services are professionally designed to suit your vehicle. We always put your safety and reliability first.
Get professional remapping, diagnostics, and mechanical services at fair prices. There are no hidden costs.
We come to your home, workplace, or any location you choose. This saves you the hassle of visiting the garage.
From ECU remapping and vehicle diagnostics to mechanical repairs, we offer a range of services through one trusted provider.
Based in Saffron Walden, our mobile services cover the UK. A travel charge may apply to locations more than 60 miles from us.
We offer honest advice and clear communication. We strive for long-term relationships and provide reliable service.
WJ Tuning is a mobile vehicle services company. We have specialisations in ECU remapping, vehicle diagnostics and mobile mechanic services. We also provide TCU remapping to enhance gearbox performance in petrol and diesel vehicles across all makes and models. Whether you are looking to boost performance, efficiency, and drivability in your daily vehicles, commuter vans, or performance cars, we can provide custom
solutions at your home or office. As a trusted mobile mechanic UK, we have knowledge and experience in our work and employ professional tools. Our customer-focused approach delivers reliable results.
From the initial enquiry to completion, we make booking simple, convenient and worry-free.
Select your tuning package or add-ons online.
Pick a date and time that suits your schedule.
Professional remapping carried out safely.
Drive away with improved power and drivability.
