Functions 1.Engine RPM 2.Calculated Load Value 3.Coolant Temperature 4.Fuel System Status 5.Short Term&Long Term Fuel Trim 6.Intake Manifold Pressure 7.Intake Air Temperature 8.Air Flow Rate 9.Absolute Throttle Position 10.Fuel Pressure 11.Oxygen sensor voltages/associated short term fuel trims Fuel System status and so on. Highlights Save Money and Time: Quickly diagnose check engine light, clear error codes and reset engine fault codes easily, read generic and manufacturer-specific trouble codes on built-in database(more than 3000 codes) Wide Compatibility: Works on All 1996 and Newer Vehicles which are All OBD-II compliant vehicles for BMW VW GM Chrysler Ford Honda Toyota Mazda Nissan & More. Various Free and Paid Apps Available: Compatible Apps on Google Play. FREE APP " inCarDoc or DashCommand or Car Scanner"for iOS; "Torque " & "DashCommand" APP for Android. Easy operation makes it possible to repair diagnostic trouble codes by yourself. Even if you’re not familiar with vehicle repair, you can quickly take control of this code reader, and get the information Specifications Model Number ew-carreader Number of pieces 1