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.
From the annual MOT to work most garages send away β coding, programming and ECU repair are done in-house.
Class 4 & 7 on site. Book a slot, wait with a brew, drive out with your certificate.
Warning light on? Full-system scans with dealer-level tooling, plain-English report.
Bench repair, cloning and coding of engine ECUs β the work other garages outsource.
Safe, tested performance and economy maps, tailored to your engine.
Restore lost power and clear the smoke β without the Β£1,000+ replacement bill.
Cold air, smooth drive β any car, hybrid and electric included. Leak check with every regas.
Lost, spare or smart keys cut and coded to your car while you wait.
Faults traced and fixed β wiring, sensors, batteries, charging systems.
Pads, discs, springs and shocks β fitted right, checked twice.
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.
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.
| Monday β Saturday | 8:00 β 18:00 |
| Sunday | Closed |
Your slot is reserved.
NJ Autos will confirm your booking by text or email during opening hours. Questions? Call 0151 903 8239.