Diagnostic & Monitoring

Our Diagnostic & Monitoring category brings together a comprehensive range of aftermarket tools designed to help identify faults, monitor vehicle systems, and support accurate maintenance and repair across a wide range of applications. This selection includes trusted brands such as STP, Simply Auto, Valeo, Foxwell, Sealey, and Laser Tools, all recognised for reliable diagnostic and workshop equipment. OBD and engine diagnostic scanners from Foxwell, Simply Auto, and Laser Tools allow quick reading and clearing of fault codes, access to live data, and service interval resets, helping pinpoint issues before they become costly problems. Air conditioning diagnostic and recharge tools from STP make it easier to check system pressure and restore performance, supporting effective climate control maintenance. Electrical and circuit testing equipment from Sealey and Laser Tools, including probes, multimeters, current testers, fuse testers, and earth checkers, enable precise fault finding within vehicle wiring and electrical systems. Battery and alternator testers support reliable starting and charging system checks, while specialist tools such as CO2 leak detectors, ignition spark testers, and airbag test resistors help diagnose specific system faults safely. Parking sensor kits from Valeo enhance monitoring by improving driver awareness and reversing safety. Designed for both professional workshops and experienced DIY users, these diagnostic and monitoring tools deliver accuracy, efficiency, and confidence when working on modern vehicles, making them essential for preventative maintenance, troubleshooting, and reliable long-term vehicle performance.