FNIRSI OBD2 Real-Time Car Diagnostic Tool Scanner

🚗 FNIRSI OBD2 Car Diagnostic Scanner with Real-Time Data Monitoring

A handheld OBD-II diagnostic tool for pulling fault codes and watching live engine data. Plug it into the car's 16-pin OBD-II port, and it reads the ECU, shows sensor values as they change, and helps you clear a check-engine light once the underlying fault is fixed.

✨ Key Features

• Reads and clears diagnostic trouble codes (DTCs) from the engine ECU.
• Real-time data stream — watch RPM, coolant temperature, throttle position, fuel trims, and other live PIDs.
• Fault-code detection and query so you know what the code actually means.
• Battery voltage display and fuel-consumption monitoring.
• Whole-vehicle depth scan, trip recording, and performance testing modes.
• Compact, self-contained design — no laptop needed for basic diagnostics.

📋 Specifications

• Protocol support: standard OBD-II / EOBD passenger vehicles
• Connector: standard 16-pin OBD-II plug
• 12 core functions: trip record, fault-code detection, real-time detection, whole-vehicle depth scan, malfunction-light delete, performance testing, trip analysis, live display values, read data stream, throttle carbon-deposit detection, fuel-consumption monitoring, battery voltage
• Display: on-board screen for codes and live values
• Power: drawn from the vehicle's OBD-II port

🔧 Perfect for

• Checking a check-engine light before a trip or inspection
• Monitoring coolant temperature and fuel trims while diagnosing a fault

• Pre-purchase checks and quick health scans

• DIY servicing and learning how engine management data looks in real time

Compatibility varies by vehicle and region — confirm your car uses a standard OBD-II port and that the tool lists its protocol.