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Modern cars are packed with technology, and car diagnostics tools make it easier than ever to spot issues before they become costly repairs. Whether you’re a DIY mechanic or just want to understand your car better, here’s everything you need to know.

What Are Car Diagnostics Tools?

Car diagnostics tools are devices that connect to your car’s onboard computer to check for errors, faults, and performance issues. They help identify problems before they lead to breakdowns.

Types of Car Diagnostics Tools

OBD2 Scanners – Plug into your car’s On-Board Diagnostics (OBD2) port to read fault codes and detect engine issues.
Bluetooth & Wireless Scanners – Connect to an app on your phone for real-time monitoring.
Battery Testers – Check battery health and charging status.
Tyre Pressure Monitors – Keep track of tyre pressure to improve safety and fuel efficiency.
Multimeters – Help diagnose electrical issues like faulty alternators.

What Can a Diagnostics Tool Detect?

Check engine light issues
Battery and charging system faults
Emissions problems
Fuel efficiency problems
Sensor failures

Do You Need One?

If you want to save money on diagnostics, a basic OBD2 scanner can help you check for issues before taking your car to a garage.

Find the Best Diagnostics & Repairs with Rooster

Rooster helps drivers save up to 50% on MOTs, servicing, and repairs—so whether you DIY or visit a garage, you’ll always get the best deal.

Download the Rooster app today and take control of your car’s health!