Services
Professional ECU Remapping & Vehicle Services
At Majestic Tuning, we offer a comprehensive range of vehicle performance, diagnostic and mechanical services for customers across Guildford, Surrey and Reading. Whether you’re looking to increase your vehicle’s performance, solve engine management issues or carry out routine maintenance, our fully mobile service delivers professional workmanship at a location that’s convenient for you. Every vehicle is carefully assessed before work begins to ensure the best possible results.
01
Stage 1 ECU Remapping
Stage 1 ECU remapping is the ideal upgrade for standard vehicles, delivering improved power, torque and throttle response without requiring any hardware modifications. Our bespoke software is designed to maximise performance while maintaining reliability and everyday drivability.
02
Stage 2 ECU Remapping
Stage 2 ECU remapping is designed for vehicles fitted with supporting performance upgrades such as induction kits, intercoolers or exhaust systems. We create a custom calibration to help you get the maximum benefit from your modifications while ensuring safe engine operation.
03
Stage 3 ECU Remapping
For heavily modified or high-performance vehicles, our Stage 3 ECU remapping provides a bespoke calibration tailored to your exact hardware setup. Using live data logging and extensive testing, we optimise performance while maintaining safe operating parameters.
04
Road Datalogged Custom Tuning
Every vehicle performs differently, which is why we offer fully datalogged custom tuning on the road. By analysing live engine data during real driving conditions, we can fine-tune your ECU calibration for maximum performance, reliability and smooth drivability.
05
AdBlue Solutions
If you’re experiencing AdBlue system faults, we offer professional software solutions designed to resolve ongoing issues where appropriate. We carry out a full diagnostic assessment before recommending the most suitable solution for your vehicle.
06
EGR Solutions
Faulty EGR valves can lead to poor performance, warning lights and recurring engine problems. We provide professional EGR software solutions following a full health check to help restore reliable vehicle operation.
07
DPF Solutions
Blocked or failing diesel particulate filters can reduce performance and increase running costs. We offer professional DPF fault solutions following a thorough inspection and diagnostics to identify the underlying issue before any work is completed.
08
Fault Code Solutions
Persistent fault codes can be frustrating and often indicate underlying problems. We use professional diagnostic equipment to identify the cause of warning lights and provide effective software or repair solutions where appropriate.
09
Vehicle Coding
From enabling hidden vehicle features to replacing modules and configuring new components, our vehicle coding service allows you to customise and configure your vehicle using professional manufacturer-level equipment.
10
Vehicle Diagnostics
Our advanced diagnostic equipment enables us to quickly identify faults across your vehicle’s electronic systems. Whether you have an engine management light, electrical issue or performance concern, we’ll accurately diagnose the problem and advise on the most effective repair.


