ELM327 Auto Car OBD2 Scanner Bluetooth Code Reader Check Engine Diagnostic Tool
12V passenger cars, EOBD / OBD2 Protocol, 16-Pin OBD2 Port. This code reader can ONLY work with Android Phone via Bluetooth. 24V OBD2 Diesel Truck & Machinery Diagnostic Tool. If the fuel cap is loose, tighten it and continue driving.