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Call our expert team about organising a car diagnostics service.

Car Diagnostics

Our garage is fully stocked with the very latest diagnostic equipment designed to identify issues with a vehicle’s engine or electrics.

The car diagnostics equipment communicates with a vehicle's onboard computer, allowing common faults associated with engine trouble to be identified before they cause an excessive amount of damage.

By combining the latest car diagnostics software with the expertise of multi-disciplined mechanics, we can quickly spot an engine fault and offer an immediate repair.

We can also recommend the appropriate tyre for the unique needs of your domestic or commercial vehicle.

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COMMON ISSUES WE ARE ABLE TO DIAGNOSE INCLUDE:

And More
DPF Issue
General Electrical Problems (Indicators, Wipers, Etc.)
Starting Problems
Performance Degradation
Misfiring
Increased Fuel Consumption
Engine Management Issues
Engine Diagnostic Light On
Airbag Issues
ABS Performance

ELECTRONIC TUNINGS

Our team will provide an appropriate repair service should we discover any issues throughout the course of our vehicle diagnostics check.

Services include:

Control Unit Replacement And Coding
Wiring Repair
Key Coding And Adaption
And More
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Worried about a light on your dashboard? Contact our vehicle diagnostics team.

FREQUENTLY ASKED QUESTIONS

A warning light has appeared on my dashboard, what should I do?

Drivers should consult their owner's manual to determine what the light is warning you about. Please do not hesitate to get in touch with our team for any queries you may have.

I am looking for a professional service in car diagnostics near me. What is your catchment area?

Johnston Auto Repairs help clients throughout Athlone, Mullingar and Roscommon with all their vehicle repair and servicing needs. Contact us today to organise a vehicle diagnostics appointment.

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