How I Diagnosed & Fixed Recurring DPF Regen Failures

Technician examining the diesel particulate filter on the exhaust of a panel van on a lift

When a customer from Leicester called us about their diesel car going into limp mode every few days, the cause was obvious — the DPF regeneration process kept failing. This real-world case shows how proper diagnostics and ECU calibration fixed the issue permanently without removing the DPF. How the Problem Started The driver noticed the […]

Can You Delete EGR Without Touching the DPF?

blue coupe beside gray house

Many drivers contact Leicester Remaps asking the same question — can you delete the EGR valve but keep the DPF working? On paper it sounds simple, but the two systems talk to each other constantly. Here’s what you need to know before making that change. How the EGR and DPF Systems Work Together The EGR […]

Does Removing the DPF or EGR Break Your MOT? (2025 Guide)

a car driving down a street under a cloudy sky

Last Updated: May 2026 If you’ve ever considered a DPF delete or EGR delete, you’ve probably asked the same question: will it fail the MOT? The rules have tightened over the years, and in 2026, it’s more important than ever to know exactly where you stand. What the MOT Test Checks in 2026 The MOT […]

Is Car Remapping Safe? What Drivers in Leicester Should Know Before Tuning

running black Porsche sedan

Is Car Remapping Safe? It’s one of the most common questions we hear from drivers across Leicester — is car remapping safe for my engine? The short answer: yes, when it’s done properly. A professional ECU tune refines the software that controls your fuel, boost, and timing, unlocking power that your car already has hidden […]

Mobile Remapping Near Me: Driveway Service vs Garage Visit

Driver in a rainy lay-by looking at the amber check engine light on his dashboard

What Is Mobile Remapping? Mobile remapping is ECU tuning carried out at your home or workplace instead of a garage. Our technicians bring professional tools such as Autotuner and KESS, connect to your car’s diagnostics port, and upload the new software on the spot. The service takes around an hour, and no hardware changes are […]

Pops and Bangs Remap Explained: Costs, Risks, and Software Options

Blue performance saloon on an English B-road at golden hour, reflecting the rise of vehicle remapping in the UK

What Is a Pops and Bangs Remap? A pops and bangs remap alters the ECU software so that when you lift off the throttle, a controlled amount of fuel continues into the exhaust system. This creates the crackles, burbles, and bangs you hear on overrun. From factory, modern cars are programmed to cut fuel immediately. […]

Speed Limiter Removal Leicester: How It Works and What to Expect

Tidy UK remapping workshop with open roller doors and a hatchback on the lift

What Is Speed Limiter Removal? Many vans, fleet cars, and some personal vehicles come fitted with a factory speed limiter. It caps the maximum speed your vehicle can reach, often set between 56 mph and 70 mph. Speed limiter removal is software that reprograms the engine control unit (ECU) to take away this restriction. Drivers […]

stage 2 vs stage 3 remaps

man in black jacket and blue denim jeans riding motorcycle

Thinking about pushing your car further than a Stage 1 remap? At Leicester Remaps we offer both Stage 2 and Stage 3 tuning. Here’s what you need to know about the gains, the costs, and the risks of each step. 📍 Book a Free Remap Consultation What is a Stage 2 Remap? A Stage 2 […]

Stage 1 Remap Leicester: Gains, Costs, and Everyday Benefits

Mobile technician remapping a customer's hatchback on a residential driveway, van parked nearby

What Is a Stage 1 Remap? A Stage 1 remap is the first step in ECU tuning. It changes the software on your car’s engine control unit (ECU) to release extra power and torque. No hardware changes are needed. Everything is done through the car’s diagnostics port, which makes the process quick and safe. Drivers […]

Should You Delete the NOx Sensor on Your Euro 6 Van?

Empty trunk on a van

Euro 6 vans are great — until they start throwing NOx sensor faults. If you’ve seen the dreaded P229F, P2200, or P20EE fault codes and your van’s stuck in limp mode, this post is for you. What Does the NOx Sensor Actually Do? The NOx sensor monitors nitrogen oxide levels in your exhaust. It works […]

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