Our Services
Auto Electrical Services in Mascot, Sydney
Dealer-level diagnostics and repairs across every electrical system in your car — on every make and model.
All Car Electrics
The full auto electrical service — wiring, sensors, modules and control units, diagnosed properly before anything is replaced.
- • Full-vehicle computer diagnostic scanning, all makes and models
- • Wiring fault finding and repair
- • Sensor and module testing and replacement
Car Batteries
Load testing, charging system diagnostics and same-day battery replacement — so you know it’s actually the battery before you pay for one.
- • Free battery load testing and charging system check
- • Same-day replacement from stock, most makes and models
- • AGM and EFB batteries for stop-start vehicles
Starter Motors
A car that clicks but won’t start, or a charging light that won’t go off — we diagnose and fix starter and alternator faults properly.
- • Starter motor current draw and solenoid testing
- • Alternator output and charging system testing
- • Repair or replacement, whichever is the honest option
Engine Lights
A dealer-level diagnostic scan to find out exactly why your check engine light is on — not just the fault code, the actual cause.
- • Manufacturer-level computer diagnostic scanning
- • Live data analysis, not just fault code reading
- • Clear explanation of the fault before any work begins
Engine Diagnostics
Dealer-level scan tools and real diagnostic experience, used to find the actual fault behind a running, starting or performance issue.
- • Full engine management system diagnostics
- • Fault finding on running, starting and performance issues
- • Sensor, fuel delivery and ignition system testing
SRS & Airbags
SRS fault diagnosis and airbag warning light reset, carried out to manufacturer safety standards — never a shortcut.
- • SRS fault code diagnosis with manufacturer-level tools
- • Seatbelt buckle and seat occupancy sensor testing
- • Wiring inspection under seats and around the airbag system
Door Locks
Power windows stuck, central locking playing up, or a key that won’t start the car — we diagnose and repair the fault properly.
- • Power window motor and regulator diagnosis and repair
- • Central locking actuator and switch repairs
- • Remote key and transponder programming
Air Conditioning
AC re-gas, leak detection, compressor repairs and anti-bacterial cabin cleaning — keeping your air con cold and fresh, not just cold.
- • System diagnostics and refrigerant leak detection
- • Refrigerant re-gas to manufacturer specification
- • Compressor testing, repair and replacement
Fuel Injection
Injector cleaning and fuel system servicing to restore smooth running, throttle response and fuel economy that’s been lost to carbon build-up.
- • Professional fuel injector cleaning (not just a bottle additive)
- • Fuel system and fuel rail inspection
- • Injector spray pattern and flow testing
Intake System
Intake system cleaning and diesel fuel pump servicing to clear carbon build-up from the intake valves and restore lost performance.
- • Intake valve and manifold carbon cleaning
- • Diesel high-pressure fuel pump inspection and servicing
- • Fuel contamination and water separator checks
Diesel Diagnostics
Specialist diesel diagnostic scanning covering engine, emissions and fuel systems, for utes, 4WDs and light commercial vehicles.
- • Diesel-specific computer diagnostic scanning
- • DPF, EGR and emissions system diagnosis
- • Turbo boost and fuel delivery testing
Diesel Fuel Injection
Diesel fuel injection servicing and repairs for common-rail and older systems, from injector testing through to pump diagnosis.
- • Common-rail and older diesel injection system servicing
- • Injector flow rate and spray pattern testing
- • Fuel pressure testing
Carbon Clean
Carbon cleaning to remove build-up from intake valves and injectors, restoring power, smoothness and fuel economy without stripping the engine.
- • Intake valve and combustion chamber carbon removal
- • No engine strip-down required
- • Restored idle quality and throttle response
ECU Remap
Diesel engine servicing combined with ECU remap tuning, for genuine gains in power, torque and fuel efficiency without compromising reliability.
- • Diesel engine servicing to manufacturer schedule
- • ECU remap tuning for power, torque and economy
- • Dyno-based tuning through our diesel tuning specialists
Looking for mechanical repairs or servicing?
The Hitech group runs a specialist workshop for each discipline. Mechanical repairs are handled by Hitech Auto Mechanical, log book servicing and pink slips by Hitech Auto Services, and performance ECU remapping by Diesel Tuning Australia — all from the same Mascot site.
Book your car in with Mascot’s trusted auto specialists
Friendly, honest advice and dealer-level diagnostics on all makes and models. Book a service today.
Mon–Fri 7:30am–6pm · Sat & Sun Closed