Diagnostic, Test & Measurement Tools

The best Amazon deals and anomalous drops in the Diagnostic, Test & Measurement Tools category, curated automatically and refreshed every hour. Each product carries a Trust Score and 90-day price history, so you spot the real bargains fast without wading through fake discounts.

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

KZYEE KC601 Heavy Duty Truck Scanner, Diesel Diagnostic Tool | Read & Clear Fault Codes, View Live Data, Supports J1939, J1708 & J1587, Includes 6-pin & 9-pin Diesel Adapters

Innova 5410 All-System OBD2 Scanner Diagnostic Tool for Cars & Trucks – Automotive Scan Tools for Engine, ABS, SRS & Transmission, Bluetooth Compatible with America's Top Car Repair App

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

AutoLine Pro Automotive Best Ranked Clean & High-Density Smoke Fluid Solution for Smoke Machines (EVAP, Vacuum, and More) [Not for Ventus]

2026 FOXWELL NT614 Elite OBD2 Scanner, 4 Systems, 5 Resets Code Reader | Upgrade of NT604, ABS Bleeding/EPB/Oil/SAS/Throttle Reset, Read/Clear Engine/ABS/SRS/Transmission Fault Codes Car Scanner

Innova 5210 OBD2 Scanner & Engine Code Reader, Battery Tester, Live Data, Oil Reset, Car Diagnostic Tool for Most Vehicles, Bluetooth Compatible with America's Top Car Repair App

ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow