VEHICLES & TRANSPORT · 22 PROVIDERS

Car diagnostics in Ireland
Garages, mobile mechanics and valeters near you.

Car diagnostics is a vital service that involves identifying and troubleshooting issues within your vehicle's systems using specialised equipment and software. This process typically includes scanning the car's onboard computer for error codes, conducting various tests on components, and analysing performance data to pinpoint problems. Technicians will often evaluate engine performance, transmission issues, and other electronic systems.

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WHAT IT COSTS

Car diagnostics in Ireland: €50–€150 per check

A diagnostic check reads fault codes and pinpoints the problem — priced per check, sometimes credited against the repair. Enter your town above for real prices from the garages, mobile mechanics and valeters near you.

  • Diagnostic depth
  • Make and model
  • Fault complexity
  • Credited against repair?

Guide prices compiled by the Locufy team from published Irish and UK provider price lists and 2026/27 cost guides. Updated 2026. Full car diagnostics price guide →

GUIDE PRICE · PER CHECK

LOW
€50
TYPICAL
€80
HIGH
€150

Not a quote. Prices vary by job, area and provider.

WHAT IT COVERS

What garages do

Engine Diagnostics

Involves checking the engine's performance and identifying faults using diagnostic tools.

Transmission Diagnostics

Focuses on assessing the transmission system for issues affecting gear changes and performance.

Electrical System Diagnostics

Involves evaluating the vehicle's electrical components to identify faults in wiring or systems.

Exhaust System Diagnostics

Checks the exhaust system for blockages or failures that could impact emissions and performance.

Braking System Diagnostics

Assesses the braking system to ensure safety and identify any potential issues.

Air Conditioning Diagnostics

Involves checking the air conditioning system for efficiency and identifying any faults.

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Questions people ask

The cost can vary based on the complexity of the issue, the make and model of the vehicle, and the diagnostic tools required. Additional fees may apply if repairs are needed following the diagnostic assessment.

Most car diagnostics jobs take between one to two hours, depending on the issue's complexity and whether further tests are required. Some straightforward checks may be completed in under an hour.

For basic diagnostics, a general mechanic is usually sufficient. However, for issues related to advanced electrical systems or hybrid vehicles, a qualified specialist may be necessary due to the technical expertise required.

Many garages offer emergency diagnostics, but availability can vary. It's advisable to call ahead to check if same-day service can be accommodated, especially during busy periods.

Yes, many service providers allow you to book multiple diagnostics or repair jobs in one appointment. This can save time and may even result in cost savings on labour charges.

Car diagnostics generally do not include repairs or part replacements unless explicitly stated. Additional costs may arise if the diagnostic reveals issues that require further investigation or repairs.

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