Expert OBD2 Check Engine Light Code Reader Interface Tool - OBDII Scanner, Clear Engine Light Included Codes and Display Live Current Sensor Data 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 Malfunction Indicator Lamp (MIL) ("Check Engine" light) Display current live 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 * MPG If your "Check Engine" light comes on, you can scan & then clear the trouble code yourself and see if engine light comes back on. Having your own OBD2 scanner allows you to know what error code are set before taking the car to repair shop. One of the most common reasons for "Check Engine" light to come on is bad or loose gas cap. You could pay over $100.00 to diagnose this problem. With this Expert OBD2 code reader tool you can see what code is stored and repair or replace gas cap and clear the code yourself. This OBDII Tool would pay for itself Features: OBD SCAN is the newly developed wireless scan tool. It supports all OBD-II protocols 1. Automatic 2. SAE J1850 PWM (41.6Kbaud) 3. SAE J1850 VPW (10.4Kbaud) 4. ISO9141-2(5 baud init, 10.4Kbaud) 5. ISO14230-4 KWP (5 baud init, 10.4 Kbaud) 6. ISO14230-4 KWP (fast init, 10.4 Kbaud) 7. ISO15765-4 CAN (11bit ID, 500 Kbaud) 8. ISO15765-4 CAN (29bit ID, 500 Kbaud) 9. ISO15765-4 CAN (11bit ID, 250 Kbaud) 10. ISO15765-4 CAN (29bit ID, 250 Kbaud) A. SAE J1939 CAN (29bit ID, 250*Kbaud) B. USER1 CAN (11*bit ID, 125*Kbaud) C. USER2 CAN (11*bit ID, 50*kbaud) Default settings (user adjustable) Works with all OBD-II compliant vehicles 1996 and newer * Works with Android phones * Works with Windows Smartphone * Works with Windows PC and Laptops * Works with Tablets, Palm, PDA, Mobile * Wireless (Bluetooth) 17~33 Feet / 5~10 meters.