07863 791632 gavwarn@yahoo.co.uk Mon–Sat 9am – 8pm · Closed Sunday AboutServices Areas Our WorkReviewsContact07863 791632Get Free Quote ECU Remapping & Tuning · Merthyr Tydfil, South Wales # ECU Remapping & Tuning in Merthyr Tydfil & South Wales More power. Sharper response. Smarter fuel. Custom-written ECU remaps and diagnostics for cars, vans, trucks, tractors and plant — calibrated by hand and delivered to your driveway across South Wales. Get My Free Remap Quote 07863 791632 5-star ratedSame-day quoteNo callout feeOriginal file backed upIMI Accredited Professionally trained through Quantum Tuning's IMI-accredited Professional Tuner programmes. - 5+ Years Experience - Cars · Vans · Trucks · Tractors · Plant - Original File Backed Up - Mobile Service · South Wales Free, no-obligation quote ## Tell us about your vehicle Reply within working hours · Same-day quotes What we do ## Tuning & diagnostics for everything with an ECU. From a Stage 1 power remap on a family hatchback to truck and tractor calibrations — every job is written for your exact vehicle. See all services ### ECU Remapping Custom-tuned ECU files for power, economy or both. Learn more ### Stage 1 Remap Bolt-on power & torque gains on a standard engine. Learn more ### Stage 2 Remap Calibrated for hardware upgrades — intake, exhaust, intercooler. Learn more ### ECU Diagnostics Full fault-code reads, live data and root-cause diagnosis. Learn more ### ECU Tuning File optimisation for response, smoothness and fuel return. Learn more ### Engine Light Removal Diagnose, fix and clear stubborn warning lights — properly. Learn more ### Truck Remapping HGV & LCV tuning for torque, MPG and driveability. Learn more ### Tractor Remapping Agricultural ECU tuning — more pulling power, less fuel. Learn more ### Plant, ATV & Bike Remapping Quads, buggies, motorbikes and plant machinery. Learn more ### DPF Cleaning & Diagnostics Blocked DPF diagnosis, forced regen and proper repair. Learn more ### Van Remapping LCV tuning for loaded pulling power and better MPG. Learn more ### Economy Remapping Fuel-first calibration for commuters and fleets. Learn more ### Mobile Remapping We come to your driveway, yard or workplace. Learn more ### ECU Repair ECU fault diagnosis, repair, cloning and replacement. Learn more Why Future Remapping ## Calibration done properly — not copy-pasted off the internet. Every remap is written for your specific engine, gearbox and condition. We road-test the result, back up your original, and stand by every job we send out the door with a 30-day guarantee and lifetime support. Custom-written files, never generic Original ECU file always backed up Engine light & DPF specialists Mobile across South Wales Cars, vans, HGV, agri & plant Same-day quotes, honest pricing 5+years Hands-on remapping experience across every type of vehicle on the road. 9towns covered Mobile service from Merthyr to Cardiff, Swansea to Chepstow. 100%reversible Your original file is saved and can be restored at any time. Where we cover ## Mobile ECU tuning across South Wales. Based in Merthyr Tydfil, on the road across the South Wales valleys, M4 corridor and coast. Merthyr TydfilSwanseaCardiffNewportChepstowBridgendPort TalbotCaerphillyCwmbranAberdarePontypriddTredegarEbbw ValeBargoedBlackwoodTreorchyTonypandyNeathBarryMaestegPontypoolAbergavennyMonmouthBreconLlanelli Reviews ## What South Wales drivers say. Leave a Google review Read more reviews FAQ ## Straight answers. Anything not covered here? Give Gavin a ring on 07863 791632. ### Will remapping affect my warranty or insurance? ### Is a remap safe for my engine? ### How long does it take? ### Do you cover my area? ### How much does it cost? ## Ready to feel the difference? Send your reg through and we'll come back the same day with an exact price for your vehicle. Call 07863 791632Get my free quote ECU remapping & diagnostics across South Wales. Calibrated power, sharper response, real-world MPG — done properly. Follow on Facebook ### Services - ECU Remapping - Stage 1 Remap - Stage 2 Remap - ECU Diagnostics - ECU Tuning - Engine Light Removal ### Areas - Merthyr Tydfil - Swansea - Cardiff - Newport - Chepstow - Bridgend ### Contact - 07863 791632 - gavwarn@yahoo.co.uk - 35 The Birch Way, Trefechan, Merthyr Tydfil, CF48 2HA - Mon–Sat 9am – 8pm · Closed Sunday - Leave a Google review © 2026 Future Remapping. All rights reserved. - About - Our Work - Reviews - Contact - Privacy - Cookies - Terms Call Now Free Quote