DIAGNOSTICS WITH A DIFFERENCE.
Specialist automotive services in County Down
EXPERT DIAGNOSTICS
Advanced diagnostics backed by technical knowledge, experience and a smarter approach to finding faults.
DPF & AUTO ELECTRICAL REPAIRS
Expert DPF and auto electrical solutions designed to fix complex faults and keep your vehicle running right.
TECHNICAL EXPERTISE
Practical DPF guides, diagnostic products, and expert training engineered to help mechanics and technicians work smarter.
TRUSTED AUTOMOTIVE EXPERTS:
The Car Nerd is an award-winning, family-run business built on years of hands-on diagnostic experience and real workshop expertise. We understand how frustrating unresolved vehicle faults can be, which is why our approach is straightforward: apply rigorous, root-cause testing to deliver accurate, permanent solutions.
Rather than relying on guesswork, we specialize strictly in advanced DPF repairs and complex auto electrical diagnostics. Every service, practical product, and training seminar we provide stems directly from real-world testing on the workshop floor—equipping drivers, technicians, and garage owners with the practical knowledge required to solve modern vehicle problems the right way.
THE GARAGE SUMMIT 2026
The Garage Summit 2026 welcomes all garage owners and staff to a day filled with talks from the pinnacle people of the motor trade!
WHAT ARE CUSTOMERS SAY
Genuine feedback from customers who’ve experienced our service first-hand.
Great day today with Cathal , at the DPF training session definitely some good tips to be got from it even if you are already cleaning and fixing DPF issues etc . Definitely recommend to anyone in the mechanics trade
A massive thanks to Cathal for sorting the DPF issue with my mini today. My anxiety had been high due to this but his confidence put me at ease and the fault now gone.
Rang with a long standing DPF issue and was in and sorted in no time at all, extremely professional service and I couldn’t recommend them any higher. Thanks again to Cathal for the amazing work !
Went on one of Cathal DPF training courses lately and would highly recommend. Was brilliant for everybody with all levels of knowledge reference the DPF systems and we took a lot of information from it and have already put it into practice at our dealership
Had expensive sensors changed, dpf flush and lots of money wasted. Cathal and his team with in 15mins successfully identified and resolved an ongoing issue and had my jeep running perfect again.
Just completed the dpf training course. Very well organised and ran. Very informative and well presented. Definitely recommend
OUR GARAGE:
11 Stang Road Cabra, Newry
County Down
BT34 5RG
ENQUIRES:
T: 07378 742 747
E:cathal@the-car-nerd.co.uk
DPF APPROVED GARAGES
Join our growing network and bring specialist DPF services to your area. Contact us directly.