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

The MaxiScan code reader supports all OBD2 protocols, including the newly released Controller Area Network (CAN) protocol. 

it is small but it is able to retrieve same information as large and expensive scanners. This code reader reviews the emission readiness status of OBD monitors and determines the malfunction indicator lamp (MIL) status as well as turns off check engine light. It comes with free CD software with over 7000 DTC definitions and is powered via detachable OBD2 cable.