Engine Diagnostics in Caboolture
Accurate Scans | Honest Repairs | Trusted Since 1998
Is your check engine light on or your car not running as smoothly as it should? At Garry’s Mechanical Repairs, we specialise in professional engine diagnostics and fault finding for all major makes and models.
Our experienced technicians in Caboolture use advanced diagnostic tools to accurately identify problems — saving you time, money, and unnecessary guesswork.
Whether your vehicle has lost power, is running rough, or showing warning lights, we’ll find the root cause and fix it fast.
What Caboolture Drivers Says





Dropped my car off in the morning and it was ready before lunch. They fixed an annoying noise, serviced my car, and replaced the CV shaft on another visit. Reliable, honest, and they genuinely care about safety. You can tell they take pride in their work. Highly recommend

I can’t thank Garry’s Mechanical enough. The day before Christmas Eve my van broke down, and I desperately needed it for the days ahead. They took on the job straight away and told me they always stay open for a couple of hours on Christmas Eve without bookings, just in case someone breaks down. That level of kindness honestly meant the world to me because this year, that someone was me.
I had my van back the very next day. They were super honest throughout and even called me before doing the work to talk through the costs. What started as a small job turned into a longer one, and they still stayed back to get it finished.
I’m incredibly grateful for such kind, genuine people and great workmanship. Couldn’t recommend Garry’s Mechanical more highly.






I would recommend and definitely, I'll come back again. Thanks team. Fah








Book Your Engine Diagnostic in Caboolture
Don’t ignore that warning light — it could be something simple, or it could prevent major damage later. Book your engine diagnostic and fault-finding service at Garry’s Mechanical Repairs today.
Why Engine Diagnostics Are Important
Modern vehicles rely on electronic systems that control everything from fuel injection to emissions and transmission.
When something goes wrong, the engine control unit (ECU) stores fault codes — but only professional diagnostic tools can interpret them correctly.
Ignoring warning lights can lead to:
- Decreased performance or fuel economy
- Hard starting or stalling
- Damaged sensors or catalytic converters
- Costly engine repairs if left unresolved
A quick diagnostic check at Garry’s Mechanical Repairs can identify these issues early and keep your engine performing safely and efficiently.
What’s Included in Our Engine Diagnostic Service
We perform a full inspection using manufacturer-level scan tools and real-time data analysis.
Our diagnostic process includes:
- OBD-II fault code scanning and interpretation
- Live data monitoring of sensors and control modules
- Fuel system and air intake analysis
- Ignition and misfire testing
- Catalytic converter checks
- Emissions and oxygen sensor checks
- Electrical and charging system evaluation
- Cooling and temperature system scan
- Service light reset and system recheck
- ABS light and sensors checks
We also test all related systems — battery, alternator, fuel pump, injectors, and coils — to ensure accurate results and long-term reliability.
Common Warning Signs of Engine Problems
If your car is showing any of the following symptoms, book a diagnostic check immediately:
- Check engine light or service light on dashboard
- Reduced power or poor acceleration
- Unusual vibrations or noises
- Engine misfiring or stalling
- Rough idling or high fuel consumption
- Exhaust smoke or smell
- Difficulty starting
These are often early indicators of issues like sensor faults, fuel delivery problems, or ignition failure — all of which we can identify quickly through diagnostic testing.
Booking Process
We’ve streamlined our booking process to make it as easy as possible for Caboolture drivers:
01
Send an Appointment Request
Book online or call us with your make, model & mileage.
02
We Call to Understand Your Needs
Our team confirms the service type and any extra requirements.
03
We Schedule & Confirm Your Booking
You’ll receive a text or email confirmation with your booking details, plus a reminder one day prior to your scheduled appointment.
04
Drop Off Your Vehicle
Bring your vehicle to 1/7 Machinery Parade, Caboolture QLD 4510. We also offer a free 5 km pick-up and drop-off service for elderly customers — please let us know during the time of booking if you require this service.
Book Your Engine Diagnostic in Caboolture
Don’t ignore that warning light — it could be something simple, or it could prevent major damage later. Book your engine diagnostic and fault-finding service at Garry’s Mechanical Repairs today.
Why Choose Garry’s Mechanical Repairs
Caboolture drivers have trusted us since 1998 for honest diagnostics and transparent repairs.
- Advanced Diagnostic Equipment – We use professional-grade scanners and software.
- Experienced Technicians – 50+ years of combined mechanical experience.
- Transparent Results – We explain all fault codes and repair options clearly.
- Same-Day Diagnosis – Most vehicles scanned, diagnosed, and quoted same day.
- OEM-Approved Parts – Genuine components for accurate, lasting repairs.
- Flexible Payment Options – Pay later with Afterpay, Zip, or Humm.
- Family-Owned Since 1998 – Local workshop with long-standing community trust.
- Convenient Location – 1/7 Machinery Parade, Caboolture QLD 4510.
Makes & Models We Diagnose
We provide engine diagnostics for most popular makes and models, including:
- Japanese and Korean brands: Toyota, Mazda, Hyundai, Kia, Nissan, Honda, Mitsubishi, Subaru, Isuzu, Suzuki.
- European brands: BMW, Mercedes‑Benz, Audi, Volkswagen, Porsche, Volvo, Peugeot, Renault, Land Rover & Range Rover.
- American and Australian models: Ford, Holden, Jeep, Chevrolet.






















Proudly Serving Caboolture & Surrounding Areas
Caboolture • Morayfield • Bellmere • Burpengary • Elimbah • Beachmere • Wamuran • Upper Caboolture • Moodlu • Rocksberg
- FAQs -
1. What does an engine diagnostic test do?
It reads error codes from your vehicle’s computer to identify faults in sensors, fuel, ignition, or emission systems. This helps pinpoint the exact problem quickly.
2. How long does a diagnostic check take?
Most diagnostic scans take 30–60 minutes, depending on the complexity of the issue and number of fault codes detected.
3. How much does an engine diagnostic cost?
Diagnostic testing is affordable and helps avoid costly trial-and-error repairs. We provide a clear quote before any work begins.
4. Can you reset my check engine light?
Yes. Once the issue is fixed, we reset your engine light and verify that no new fault codes remain. We never just “clear” lights without addressing the cause.
5. Do you provide same-day service?
Yes. Most diagnostic tests and minor repairs are completed the same day, depending on the fault and part availability.
6. What vehicles do you diagnose?
We diagnose most petrol and diesel vehicles including sedans, SUVs, and utes. We do not service hybrid or electric systems.
Get service
Ready to stay on top of your scheduled maintenance? Use our quick online booking form or call us on 07 5495 4899.
Address
1/7 Machinery Parade, Caboolture QLD 4510
Open HOURS
Monday
07:30 AM - 04:30 PM
Tuesday
07:30 AM - 04:30 PM
Wednesday
07:30 AM - 04:30 PM
Thursday
07:30 AM - 04:30 PM
Friday
07:30 AM - 04:30 PM
Saturday
Closed
Sunday
Closed
Other service
Engine Repairs
Diagnostics often reveal deeper mechanical faults. We repair misfires, overheating, leaks and performance issues to restore engine health.
Transmission Service
Shifting issues may be detected during diagnostics. We inspect transmission faults early to prevent damage and maintain driving comfort.
Logbook Servicing
Regular servicing includes scanning, resets and early fault detection. Keep your vehicle healthy and warning-light free with scheduled maintenance.