Vehicle Computer Diagnostics Mackay

Accurate fault detection using modern diagnostic equipment to prevent guesswork and unnecessary repairs.

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Experienced Trade Mechanics

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Fast Turnaround Times

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Complete Repair Capability

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Quality Replacement Parts

Diagnose Your Vehicle’s Problem!

Are your dashboard lights showing something’s not quite right with your vehicle? 

Does it have an electrical or mechanical problem, but you’re unsure of the cause? At A.M.D. Automotive Services, we use car and computer diagnostics to identify the root cause of any problems. 


From our workshop in South Mackay, we’ll diagnose the issue and test your components so we can provide the right repair solution the first time round. After all, there’s nothing more frustrating than having your car fixed only for it to break down not long after!


Get your vehicle’s issues fixed fast and without fuss. Get in touch with us today. We offer comprehensive mobile mechanic services in Mackay (as well as surrounding areas), and our team will ensure all faults are diagnosed promptly and accurately.

Send Us a Message

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Diagnosing Modern Vehicles

With the make-up of modern cars shifting away from pure mechanics to more complex electrical systems, it’s becoming harder and harder to visually identify faults in vehicles.


This means that more often than not, repairing a car requires a trained professional with the right diagnostic equipment. We use these tools to scan your vehicle’s computer system and gather error codes to help find the source of the problem. 


A standard diagnosis can take between 60-90 minutes, with more time required if components need to be removed and tested.


If you’re unsure what’s going on with your vehicle, schedule it in with us; we’ll find any underlying issues and provide you with repair options.

Other Services

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Mobile Service

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Roadworthy & Safety Certificates

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Logbook Service

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Automotive Air Conditioning

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Brake & Suspension Servicing

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Auto Electrical

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General Mechanical Repairs

Frequently Asked Questions

Learn how diagnostic testing works, what fault codes mean and why accurate scanning matters.

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  • Can a diagnostic scan find all vehicle problems?

    A diagnostic scan can identify fault codes stored within the vehicle’s computer system, which point to specific sensor or system irregularities. However, not all mechanical issues trigger a fault code. Some problems require manual inspection and testing alongside scan data to accurately determine the root cause.

  • Why does my check engine light turn off by itself?

    The check engine light may switch off if the system no longer detects an active fault. Intermittent issues such as loose connections or temporary sensor irregularities can cause this. Even if the light disappears, stored codes may remain in memory and should be scanned to confirm the issue.

  • Is diagnostic testing necessary if the car still drives normally?

    Yes, some faults do not immediately affect drivability but can worsen over time. Early diagnostic testing can identify sensor failures, emissions issues or developing mechanical problems before they lead to reduced performance or more expensive repairs.