AV-SCANNER guides
Accessory guides
The testers and workshop tools worth owning, and how to use them. Each guide is free to read here and to download as a branded PDF for the workshop.
Back-Probe Pin Kit
Test live connectors without damaging them
Breakout Box and OBD Tester
Check the diagnostic port and its pins
Stethoscope for Mechanics
Find bearing, valve and injector noises
Thermal Imaging Camera
Spot misfires, drains and overheating parts
Current Clamp
Measure current without breaking the circuit
Pressure Transducer
See pressure as a waveform on a scope
Vacuum Pump Tester
Test vacuum actuators and bleed systems
Compression Sensor for Oscilloscope
Read cranking compression without removing plugs
Endoscope Attachment for Phones
Choose a phone endoscope and use it well
Ignition Coil Tester
Test coils quickly on the vehicle
Compression Tester
Run dry and wet compression tests
Cylinder Leak-Down Tester
Find exactly where a cylinder loses pressure
Fuel Pressure Gauge Kit
Test petrol fuel pressure safely
Vacuum Gauge
Read engine health from manifold vacuum
Timing Light
Check ignition timing on older engines
Spark Plug Tester
Confirm ignition spark safely
Torque Wrench
Choose, use and look after a torque wrench
Oil Pressure Gauge Kit
Measure real engine oil pressure
Boost Leak Tester
Pressure test a turbocharged intake
Fluid Extractor
Remove oil and fluids from above
Timing Tool Set
Why engines need timing tools and how to use them
Diesel Injector Leak-Off Tester
Compare injector return flow
Oil Filter Wrench Set
Choose the right wrench for tight filters
Spark Plug Socket and Gap Tool
Remove, gap and refit plugs properly
Use them with the AV-SCANNER
Look up a fault code, run a local diagnosis and open the right guide from the reader's own menus.
