πŸ“ 59-61 Great Richmond Street, Liverpool L3 3BF Mon–Sat 8:00–18:00
☎ 0151 903 8239 πŸ’¬ WhatsApp 07771 119419 βœ‰ info@njautosliverpool.co.uk
DVSA Approved Test Centre Β· Liverpool L3

MOT, Diagnostics
& ECU Specialists

Class 4 & 7 MOT testing, dealer-level diagnostics, ECU coding and remapping β€” all under one roof at Great Richmond Street. Book online in 30 seconds.

Free MOT retest Hybrid & EV air-con Key & car coding

Book your slot

Enter your reg β€” takes 30 seconds. We confirm during opening hours.
β˜…GB
No payment taken online Β· We confirm by text or email
DVSA ApprovedMOT test station
Class 4 & 7Cars and vans
Free retestWithin 10 working days
Dealer-level kitWithout dealer prices
What we do

Every job, one workshop

From the annual MOT to work most garages send away β€” coding, programming and ECU repair are done in-house.

Most booked

MOT Testing

Class 4 & 7 on site. Book a slot, wait with a brew, drive out with your certificate.

Vehicle Diagnostics

Warning light on? Full-system scans with dealer-level tooling, plain-English report.

Specialist

ECU Repair & Programming

Bench repair, cloning and coding of engine ECUs β€” the work other garages outsource.

Remapping

Safe, tested performance and economy maps, tailored to your engine.

DPF & EGR Cleaning

Restore lost power and clear the smoke β€” without the Β£1,000+ replacement bill.

Air Con Regas

Cold air, smooth drive β€” any car, hybrid and electric included. Leak check with every regas.

Key Coding

Lost, spare or smart keys cut and coded to your car while you wait.

Auto Electrics

Faults traced and fixed β€” wiring, sensors, batteries, charging systems.

Brakes & Suspension

Pads, discs, springs and shocks β€” fitted right, checked twice.

MOT Testing Β· Class 4 & 7

Your MOT, done properly β€”
and on time

We're a DVSA-approved test station for cars (Class 4) and vans up to 3.5t (Class 7). Fail on something small? Fix it with us and the retest is free.

Brakes & suspension
Lights & signalling
Tyres & wheels
Emissions & exhaust
Steering & visibility
Seatbelts & body
MOT β€” Class 4 (car)Includes free retest within 10 working days
Β£50*
MOT β€” Class 7 (van up to 3.5t)Commercial vehicles welcome
Β£55*
MOT + full diagnostic scanKnow everything before winter
Β£75*
*Example prices for this demo β€” final prices are set by NJ Autos. The legal maximum MOT fee (Class 4) is Β£54.85.
ECU bench programming at NJ Autos ECU wiring and coding close-up Instrument cluster diagnostics
The specialist bit

Dealer-level ECU work,
without dealer prices

These photos are our actual bench. Most garages send ECU work away and add their margin β€” we do it in-house on Great Richmond Street.

  • ECU repair & cloning β€” dead modules brought back, or cloned to a replacement without dealership programming fees.
  • Car coding & programming β€” retrofits activated, features unlocked, new modules married to your car.
  • Instrument cluster diagnostics β€” displays, mileage units and warning-light gremlins solved.
Find us

Great Richmond Street

πŸ“
59-61 Great Richmond Street, Liverpool L3 3BFTwo minutes from Liverpool city centre, easy parking on site
☎
0151 903 8239WhatsApp 07771 119419 β€” we answer during opening hours
βœ‰
info@njautosliverpool.co.ukEmail for quotes and fleet enquiries
Monday – Saturday8:00 – 18:00
SundayClosed
Demo opening hours β€” set your real hours before launch.
☎ Call