Best Automotive Borescope (2026): 5 Articulating Scopes Compared
Five articulating automotive borescopes compared by probe diameter, articulation angle, cable length, screen size, battery runtime and warranty coverage.
Diagnostics and Electrical
OBD2 scanners, multimeters, battery chargers and maintainers, and jump starters. Guides compare functions, vehicle coverage, update terms, charge rates and supported battery types.
Size it before you buy it
Our garage calculators work out compressor CFM, lift ceiling height and heater BTU, and every guide lists the specs that decide fit: capacity, height range, voltage and warranty.
Best Automotive Smoke Machine (2026): 5 Leak Detectors Compared
Five automotive smoke machines for diagnosing EVAP and vacuum leaks, compared by air source, operating pressure, warmup speed, fluid, and warranty.
Best Brake Fluid Checker (2026): 5 Moisture Pens Compared
Five brake fluid moisture pens for home garages, compared by DOT fluid compatibility, accuracy, digital display, probe reach and warranty terms.
Top 10 OBD2 Diagnostic Scanner: 5 Picks Compared (2026)
Five OBD2 diagnostic scanners compared by bi-directional actuation, system coverage, maintenance reset services, display size, modern protocol support and warranty terms.
OBD2 Scanner vs Reader: Which One Should You Buy?
OBD2 scanner vs reader explained: how basic code readers differ from multi-system scan tools in live data streaming, service resets, and everyday vehicle repairs.
Best Automotive Multimeter Under $50 (2026): 5 Meters Compared
Five automotive digital multimeters under $50 compared by display counts, DC accuracy, safety ratings, power source, dimensions and warranty coverage.
Best Jump Starter Under 150 (2026): 5 Booster Packs Compared
Five portable lithium jump starters under 150, compared by peak cranking amps, engine displacement rating, battery capacity, emergency light, weight and warranty terms.
Bidirectional Scan Tool for Ford Powerstroke: 4 Scanners Compared (2026)
Four bidirectional scan tools for Ford Powerstroke diesel trucks, compared by actuation controls, service resets, ECU coding, wireless connectivity and warranty.
OBD2 Scanner Types: Code Readers to Bidirectional Scan Tools
How OBD2 scanner types differ across home garage jobs: comparing basic code readers, Bluetooth adapters, multi-system units and bidirectional diagnostic tools.
How to Use Automotive Multimeter: Step-by-Step Shop Guide
How to use an automotive multimeter for car diagnosis: dial settings, lead placement, DC voltage checks, continuity inspection and safe parasitic draw measurement.