Diagnostics
Diagnostics, Auto Electrical, Aircon and Fuel Systems
Scan-tool diagnostics and electrical fault finding that ends with the cause named — not a list of parts to throw at it.
A fault code is a starting point, not an answer. We read live data, test circuits and check the mechanical side so the repair addresses the cause instead of replacing the sensor that reported it.
That covers electrical work end to end — batteries, alternators, starters, wiring, sensors and ignition — plus aircon and fuel-system diagnostics on petrol and diesel vehicles.
What we cover
The work included
- Computerised vehicle diagnostics
- Check-engine-light diagnostics
- Auto-electrical repairs
- Battery testing and replacement
- Alternator repairs and replacement
- Starter-motor repairs
- Wiring and electrical fault finding
- Sensor replacement
- Ignition-system repairs
- Fuel-injection diagnostics
- Car air-conditioning repairs
- Aircon regassing
- Aircon compressor replacement
- Aircon leak detection
- Climate-control diagnostics
- Fuel-pump replacement
- Injector cleaning and repairs
- Diesel-injector repairs
- Carburettor servicing
- Fuel-system cleaning
- Fuel-leak repairs
Vehicles: Modern petrol and diesel vehicles across a broad range of makes and models, including bakkies, SUVs, vans and performance cars.
Common symptoms
What you notice, and what it usually means
A symptom narrows it down. Testing confirms it — we do not replace parts on a guess.
Check-engine light on
Scanned and traced before parts are bought.
Cranks but will not start
Battery, starter, fuel delivery, ignition or immobiliser.
Battery flat overnight
Parasitic drain, or a charging fault on the alternator.
Aircon blows warm
Gas loss with a leak behind it, or a compressor fault.
Diesel smoke and rough running
Injectors, fuel pressure or sensor data out of range.
How it runs
The repair process
- 01
Interview
When it happens, cold or hot, and what changed recently.
- 02
Scan
Codes, freeze frames and live data across the systems involved.
- 03
Test
Circuits, pressures and components measured, not assumed.
- 04
Explain
You get the cause in plain language with the repair options.
- 05
Repair and verify
Fixed, then re-tested to confirm the fault is actually gone.
Questions
Frequently asked
Customer Feedback
What People Say
Real feedback from BritzTech customers.
“Heinro doesn’t simply replace parts and hope for the best. He has a deep understanding of how engines and mechanical systems work, what causes failures, and how to properly diagnose and resolve the underlying problem. He took the time to identify the issues, explain what was happening and make sure the vehicle was properly attended to.”
Ford Ranger owner Nikita Jacobs
Google review — BRITZTECH DEVELOPMENTS
Next step
Send us the vehicle and the symptom
Sending a message starts a conversation — a time is only booked once we have replied and agreed it with you.
Contact details
Get Hold Of Us
Send the vehicle details, your suburb and what it's doing. We come to you within 100 km of Benoni and come back with a time and a scope of work.
- Call or WhatsApp
- 067 868 2617 (Heinro Britz)
- Service area
- Within 100 km of Benoni — home, office or roadside
- info@britztech.co.za
Based in Benoni — mobile service up to 100 km.