ECU Remapping in Crewe & Nantwich

Professional ECU
remapping in
Cheshire.

Bespoke ECU remaps and ECU fault diagnostics for petrol and diesel vehicles near Crewe and Nantwich. We handle performance tuning, warning lights, AdBlue faults, DPF problems, EGR faults and other ECU-related issues.

Gains guaranteed
Files saved & recoverable
Fixed price, no surprises
Dyno Power Curve
Stage 1 — example gains
Stock Remapped
0 50 100 150 200 1k 3.5k rpm 6k
Peak Power
0 BHP
+0 was 150
Peak Torque
0 Nm
+0 was 320
2,500+
Vehicles Tuned
+30%
Avg Power Gain
5.0
Customer Rating
12 yr
Experience
What we do

ECU remapping, diagnostics and fault solutions

From custom tuning to ECU fault diagnosis, AdBlue warnings, DPF problems and EGR faults, we provide specialist vehicle software and diagnostic services.

Most popular

Stage 1 Remap

Optimised power and torque within factory hardware limits. The best all-round upgrade for daily driving.

Learn about ECU remapping →

Stage 2 & Custom

For upgraded intakes, exhausts or intercoolers — bespoke files developed around your modifications.

Economy / MPG Tuning

Eco-focused maps that improve fuel efficiency and low-end torque — ideal for high-mileage and daily drivers.

AdBlue, DPF & EGR Faults

Diagnosis of AdBlue warning lights, non-start countdowns, blocked DPF symptoms, EGR faults and related ECU fault codes.
Software modifications for off-road / motorsport use only.

AdBlue faults →
DPF & EGR diagnostics →

Gearbox (TCU) Tuning

Smoother, faster shifts and raised torque limiters for DSG and automatic transmissions.

ECU Fault Diagnostics

Fault-code reading, warning-light diagnosis, ECU communication checks and a full engine health check—available as a standalone service or before remapping.

Learn about ECU diagnostics →
How it works

From booking to boost in four steps

01

Book & consult

Tell us your vehicle and goals. We confirm expected gains and a fixed price up front.

02

Full health check

A diagnostic scan makes sure your engine is healthy and safe to remap before we touch anything.

03

Custom remap

We read your ECU, back up the original file, and load a map written specifically for your car.

04

Test & hand back

Road or dyno tested to confirm the gains, then you drive away with the power you paid for.

Why EHC Remapping

Real power, safely delivered.

  • Custom-written filesTuned to your exact engine, fuel and modifications — not a generic download.
  • Original file always savedWe keep a backup so your ECU can be returned to standard at any time.
  • Gains you can feel & measureNoticeable power, torque and throttle response — with before/after figures.
  • Workshop-based, done rightEvery car tuned in our workshop with the right equipment and unhurried care.
"The smart way to get more from the engine you already own."

Modern engines leave real performance untapped for production tolerances and global regulations. A properly written remap recalibrates fuelling, boost and timing to release that potential — smoothly, reliably and within safe limits.

HatchbacksSaloonsEstatesSUV & 4x4Hot hatchPerformance
Stage 1 gains

Standard vs remapped — by model

Typical Stage 1 figures across most popular makes and models. Search or filter for yours — and if it's not listed, we almost certainly still cover it, so just ask for a quote.

Make & Model Fuel Standard Remapped Gain Quote

Figures are typical Stage 1 gains and vary by exact model, year, gearbox and vehicle condition. This list covers the vast majority of cars but isn't every variant — if yours isn't shown, we can still remap it. Book a free health check for confirmed numbers for your car.

Reviews

Drivers who felt the difference

★★★★★

Massive difference in my diesel — pulls so much better and I'm actually getting better MPG on the motorway. Professional from start to finish.

EHC CustomerVW Golf TDI · Stage 1
★★★★★

Had the Focus done and the difference is night and day. Loads more low-down torque and it drives so much smoother. Fair price and explained everything clearly.

EHC CustomerFord Focus TDCi · Economy map
★★★★★

Dropped the car at the workshop and it was ready the same day. Quick, tidy, and it feels like a different animal now. Couldn't recommend more.

EHC CustomerBMW 320d · Stage 1
Get in touch

Book your remap or get a free quote

Tell us your vehicle and we'll come back with expected gains and a price. We serve Crewe, Nantwich, Cheshire and surrounding areas.

Location
Tricketts Lane, CW5 6PY
Hours
[Mon–Sat, 8am–6pm]

Your enquiry will be sent securely to EHC Remapping.

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