Kernowsport Diagnostics & Tuning – Viezu-Approved Mobile ECU Remapping Services in Hayle, Cornwall

VW Tiguan in Heamoor near Penzance remapped by Kernowsport for towing performance

VW Tiguan Remap in Heamoor, Penzance – Perfect for Towing

Today’s customer from Heamoor, near Penzance, wanted a little more pulling power from his VW Tiguan to make towing his caravan easier. Cornwall’s hills can be tough on standard engines, so he came to Kernowsport for a professional ECU remap. The Tiguan left the factory with 138BHP — respectable for a large four-cylinder family SUV — but we knew we could unlock more. After our remap, the car was producing an impressive 193BHP, alongside an increase of 70lb/ft of torque. That extra torque makes a big difference when towing. It means less strain on the engine, smoother acceleration, and an overall easier drive when tackling Cornwall’s steep climbs. Better still, the remap should also deliver improved fuel economy, giving the customer a win–win: more power and better efficiency. We love working on VW engines at Kernowsport. They respond brilliantly to tuning and consistently deliver excellent results that make owners very happy. If you’re in Penzance, Heamoor or anywhere in West Cornwall and want more power for towing, fuel economy improvements, or just a livelier drive, Kernowsport can help. Related Services

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Maserati Ghibli at Pasfab in Pool Cornwall for DPF delete and performance tuning by Kernowsport

Maserati Ghibli DPF Delete & Performance Tune in Pool

This Saturday morning, we were over at Pasfab in Pool carrying out a few DPF deletes — and the first job of the day was something a little special. Rachel brought in her Maserati Ghibli, which was showing a 100% full DPF warning. Left untreated, a blocked DPF can cause serious running problems, but we were able to put things right with our expert DPF delete service. While we were fixing the issue, Rachel’s partner — a self-confessed petrolhead — decided to go one step further. We carried out a performance remap on the Maserati, pushing its power up to around 350BHP. Not bad at all for a big four-door luxury saloon! We didn’t get the chance to take this Italian beauty for a test drive ourselves, but there’s no doubt it now runs like a rocket — and with its DPF issues firmly behind it, Rachel can enjoy the drive without worry. At Kernowsport, we offer a full range of DPF delete and cleaning services alongside performance tuning packages to make sure your car not only runs reliably but performs at its very best. Related Services

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Isuzu D-Max at Harts Haulage in Pool Cornwall after DPF and EGR repair by Kernowsport

Isuzu D-Max DPF & EGR Repair in Pool at Harts Haulage

Today, we paid a visit to our friends at Harts Haulage in Pool to help one of their drivers who was having DPF and EGR problems on his trusty Isuzu D-Max. We’ve been seeing quite a few Isuzus in the workshop lately, so we know our way around them. While we were there, we also took the opportunity to reset the service lights on Boss man Neil’s VW Amarok — which had the full Kernowsport performance treatment a few months ago. It’s always a pleasure to visit Harts and see their impressive mix of lorries — from modern workhorses to beautifully restored vintage trucks that Neil collects. At Kernowsport, we have the specialist tools, software, and cables to handle almost any vehicle, including HGVs, LCVs, plant machinery, and cars. So, if your truck, van, or car is having trouble, get in touch and we’ll get you back on the road. Related Services

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Saab ECU Trionic 7 cloning in Cornwall

Saab Trionic T7 ECU Clone in Penzance – Keeping a Saab Classic Alive

Saab Trionic T7 ECU Cloning in Camborne – Keeping Your Saab Classic on the Road At Kernowsport, we thrive on solving complex automotive challenges. When local Saab owner Lyn brought us her cherished 2000 Saab 9-5, it wasn’t just another repair — it was about preserving a piece of personal history. Despite thousands spent on maintenance, the car suffered from a stubborn ECU fault, a well-known problem with older Saab models, leaving it unable to drive properly. The Challenge – Early Saab 9-5 ECU Access Problems This early model presented a unique hurdle: obsolete wiring made it impossible to read or write to the ECU in-vehicle. Unlike newer Saabs, there was no straightforward modification to allow access via the OBD port. Our Solution – Specialist Saab Trionic T7 ECU Cloning At Kernowsport, giving up isn’t an option. Through research and problem-solving, we sourced a specialist breakout wiring box that allowed us to work with the ECU directly on the bench. Armed with the correct wiring diagram, power supply, laptop, and advanced ECU programming software, we: Safely extracted the original ECU data. Programmed a brand-new Saab ECU. Cloned the VIN and immobiliser codes to ensure the engine started flawlessly. One of

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Volkswagen Golf 1.6 TDI ready for performance remap by Kernowsport in Camborne

VW Golf 1.6 TDI Remap in Camborne – Another Happy Kernowsport Customer

We always love seeing familiar faces — especially when they’re happy with our work! This time, we were back in Troon, Camborne, for a repeat customer. Andy had his VW Transporter T5 remapped by us just a few days ago, and he was so impressed with the performance boost that he invited us back to look at his wife’s car. This little Volkswagen Golf 1.6 TDI was producing around 100BHP as standard, but with a bit of Kernowsport expertise, we took it up to approximately 150BHP. That’s a significant 50% increase in power, transforming the car’s responsiveness and making it far more enjoyable to drive. Andy was clearly pleased, noting that the car “felt a lot faster” — and who doesn’t love a quicker daily driver? While we were there, we also took the time to plug in our OBD diagnostic tools and performed a quick health check. We were able to point out a couple of minor issues that might need attention in the near future, helping to keep the Golf running smoothly. At Kernowsport, we’re proud to offer mobile remapping services across Cornwall, including Camborne, Redruth, and surrounding areas. Whether it’s your work van or your family car,

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DPF and EGR delete with performance remap on Vauxhall Zafira St Austell

Evening ECU Remap and Emissions Solution for Vauxhall Zafira in St Dennis

One of our jobs today took us to St Dennis, just outside St Austell, to help local customer Liam with his rough-running Vauxhall Zafira. He had booked in for an EGR delete, DPF delete, and a custom performance remap — and as always, Kernowsport was happy to work around his schedule and attend in the evening after he finished work. This particular Zafira posed an extra challenge: unlike many vehicles that allow remapping via the OBD diagnostic port, this one required the ECU to be removed and connected directly via cable. While it may look like open-heart surgery, this method is often safer. It allows us to take a full backup of the ECU and gives the flexibility to return the car to its original factory settings if ever needed. Once connected and mapped, the transformation was huge. The Zafira now produces a healthy 200BHP, offering far better throttle response, smoother power delivery, and a noticeably more engaging drive. Liam was a happy man, and we were glad to bring another vehicle back to life in mid Cornwall. At Kernowsport, we specialise in mobile ECU remapping and diesel tuning across Cornwall – including evening and weekend appointments. Whether you’re in

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Seat Ibiza 1.9 TDI being remapped in Redruth by Kernowsport mobile ECU tuning

Seat Ibiza 1.9 TDI Remap in Redruth Delivers Big Power Gains for Local Driver

We recently had the pleasure of visiting Rafe in Redruth, who was looking to get a bit more performance from his reliable Seat Ibiza 1.9 TDI. These diesel engines from the VW-Audi group are known for their tuning potential — and Rafe’s was no exception. With Kernowsport’s custom ECU remap, we were able to take the power up to around 160bhp — a significant gain of nearly 50% over stock. The result? A car that pulls harder, accelerates more confidently, and feels altogether sharper to drive. Despite its age, the Ibiza responded brilliantly to the tuning and Rafe was thrilled with the transformation. As always, we tailor our remaps to the condition of the car and the driver’s needs, ensuring safe, reliable gains without compromising engine health. At Kernowsport, we specialise in mobile remapping services across Cornwall, including Redruth, Camborne, Hayle, and beyond. Whether you’ve got a tired diesel in need of some extra punch or a newer model you want to optimise, we’ve got the tools and experience to deliver results. Why Redruth Drivers Choose Kernowsport: Thinking About Remapping Your Diesel in Redruth? Get in touch with Kernowsport to find out how we can help you unlock more performance

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Classic Audi 1.8 turbo ECU remap Cornwall – realistic tuning with Kernowsport

Audi TT Remap in Bodmin – A Reminder That Every Car Is Different

At Kernowsport, we pride ourselves on transparency and realistic expectations — and today’s job in Bodmin was a great example of why that matters. We were called out to remap a 2004 Audi TT 225, a 20-year-old car with 164,000 miles on the clock. The 1.8 turbo engine in the 225 model is already well-tuned from the factory, and while some gains are possible with a decat tune, they tend to be modest — especially on older, high-mileage engines. The owner had hoped for a significant boost in performance, but we advised that the most realistic gain would be in the region of 20–25bhp, depending on engine health and whether the catalytic converter had been removed. As stated in the disclaimer on every page of our website, results from ECU tuning vary from vehicle to vehicle. No two cars are the same — particularly when they’re over two decades old and have lived a full life. Following the tune, the owner felt the car was performing similarly or perhaps slightly worse. We explained this was likely due to the decat not being installed yet. Once removed, the tune will deliver its full potential, but even then, a miracle transformation is

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Ford Transit ice cream van remap and EGR delete in North Country Redruth by Kernowsport

Ford Transit Ice Cream Van and Hyundai Tucson Remapped in Redruth by Kernowsport

Jobs two and three today took us to North Country near Redruth for an interesting pair of vehicles — including our very first ice cream van! The first job was on a 2002 Ford Transit ice cream van fitted with the naturally aspirated 2.4-litre engine. While these older engines don’t offer huge tuning gains, we were still able to increase power from 75bhp to around 115bhp. Alongside the performance bump, we resolved a few engine management issues following an EGR delete, giving this hard-working van a new lease of life. The second job was a more familiar one — a Hyundai Tucson turbo diesel. This vehicle saw a gain of around 40bhp with a custom remap, transforming its acceleration and torque. The improvement in responsiveness was clear on the test drive, and the customer was extremely happy with the results. Most importantly, the ice cream van is now ready to hit the road again, just in time to serve customers at the local car boot sales and community events. At Kernowsport, we love working on all types of vehicles — whether it’s a family SUV or a local business van serving sweet treats to Cornwall’s families. Mobile Remapping in Redruth

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VW Transporter T5 remapped at Heron Refurbishing in Camborne by Kernowsport

VW Transporter T5 EGR Delete and Remap in Camborne – 102BHP to 187BHP with Kernowsport

This was the first of five remapping jobs we had booked in for the day, and it started with a last-minute request the evening before from Andy at Heron Refurbishing in Camborne. His Volkswagen Transporter T5 was in need of some serious help, struggling with hill performance when fully loaded — a common issue with the 102bhp models. We were happy to shuffle our schedule to fit him in first thing at his workshop in Troon. The van had just 133,000 miles on the clock and was in great condition, but it needed more power to keep up with the demands of daily commercial use. After carrying out a full diagnostic, we performed an EGR delete and applied a custom stage one performance remap. By the time we left, the van had gone from 102bhp to a much more capable 187bhp — a massive upgrade that Andy immediately felt. The improvement in torque and driveability was clear from the first test drive, especially on hills and when under load. Andy was thrilled, and now the van performs like it should have from the factory. At Kernowsport, we understand that when your van is your livelihood, it needs to be reliable,

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Stage one remap on Mercedes CLS 350 boosting power to over 300BHP

Mercedes CLS 350 Stage One Remap at A30 Services – Over 300BHP Delivered by Kernowsport

Sometimes jobs come in last minute — and this one was a perfect example. At 4pm, just as we were heading out of Cornwall for a trip to London, we got a call from Simon. He’d just bought a stunning Mercedes CLS 350 and was already looking to unlock more of its potential. We arranged to meet him at a convenient service station along the A30, and within three hours of his initial call, the remap was complete. This stage one remap transformed his car, taking it to well over 300BHP and giving it the kind of performance the CLS chassis truly deserves. While it’s not our usual style to do roadside remaps, we’re always keen to help when we can — and this one turned out brilliantly. Simon was thrilled with the results, telling us the extra power turned his already luxurious car into what he called a “luxury missile”. Smooth, fast, and effortless — exactly what you’d expect from a well-executed Mercedes remap.     Mobile ECU Remapping Across Cornwall and the A30 Whether you’re in Cornwall, heading along the A30, or just need a fast turnaround, Kernowsport offers reliable, professional remapping services where and when you need

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High mileage VW T5 Transporter remapped successfully by Kernowsport in Liskeard

VW T5 Transporter Stage One Remap in Liskeard – Power Doubled by Kernowsport

Another day, another Volkswagen Transporter T5 getting a much-needed performance boost — this time in Liskeard. Anthony, the owner of this particular van, contacted Kernowsport looking to breathe some life into his hard-working 84BHP T5, which was seriously struggling on the hills around Cornwall. Despite the van having clocked a massive 247,000 miles — that’s roughly ten laps of the Earth! — we were confident we could make a noticeable difference. And we did. After a full diagnostic check and applying one of our trusted stage one remaps, we safely and reliably increased the power to 166BHP. That’s nearly double the original output — and the difference on the road was immediate. Anthony was delighted with the result. The van now pulls up hills with ease, feels smoother throughout the rev range, and drives more like a newer model without needing to touch the engine hardware. At Kernowsport, this is exactly what we love doing: bringing tired vans back to life and helping Cornish drivers enjoy their vehicles again — especially when they’ve served well over the years.     ECU Remapping in Liskeard for VW Transporter T5 and More If you’re in Liskeard or anywhere in Cornwall and your

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