XTOOL Advancer AD20 Car Code Reader for Android/iOS/iPhone, Wireless OBD2 Scanner BT with I/M Readiness Smog Test, Check Engine Light On, EVAP Test, Upgraded Ver. of XTOOL AD10, Free Updates
- ... CAR PERFORMANCE】This obd2 code reader works best when paired with your car and left plugged into the obd2 port. This unique engine analyzer provides Performance Test Trip (Analyze) to help you track your engine performance (acceleration, fuel efficiency), coolant temperature, engine speed, voltage, etc and push warning messages to your device when coolant temperature was too high or obd2 fault code was detected while driving. NOTE: This code reader shuts down when ignition off..