iKKEGOL USB V1.5 OBD2 OBD-II Car Auto Diagnostic Scan Tool Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Clear trouble codes and turn off the MIL ("Check Engine" light) Display current sensor data, including:  Engine RPM  Calculated Load Value  Coolant Temperature  Fuel System Status  Vehicle Speed  Short Term Fuel Trim  Long Term Fuel Trim  Intake Manifold Pressure  Timing Advance  Intake Air Temperature  Air Flow Rate  Absolute Throttle Position Oxygen sensor voltages/associated short term fuel trims Fuel System status  Fuel Pressure  Many others... Upcoming Features:  Data graphing and logging  Freeze Frame data  Continuous and Non.