NT301 OBD2 scan tool is not only for code reading and clear engine fault codes, save your money, but also have some enhanced functions which could help you find some deep problems so that makes your diagnosis easier. In addition, it's 2.8" TFT color screen and hot keys for I/M readiness test.
FOXWELL NT301 OBD2 Scanner Support Functions:
Read Codes: Generic, Manufacturer Specific, and Pending Codes
Clears Codes, Turns off Check Engine Light (MIL) and Reset monitors
Live Data, Reads, records, graphs & playbacks(data logging) live sensor data
DTC definition can be automatically displayed after reading
View Freeze Frame which shows engine conditions such as fuel trim, engine coolant temp, etc. at the time the Malfunction Indicator Lamp(NIL) was set
I/M readiness one-click hotkeys for reading/clearing DTCs
Reads live O2 sensor
Onboard Monitor Test
Retrieves Vehicle information (VIN, CID, and CVN)
How to Use It?
Turn Off ''Check Engine'' Light
Parts might cause your check engine light on include:
1. Gas Cap 2. Oxygen Sensor 3. Air Fuel Ratio Sensor 4. Mass Air Flow Sensor 5. Ignition Coils 6. Spark Plug Wires 7. Spark Plugs 8. Thermostat 9. EGR Valve 10. Evaporative Emission Canister Purge Valve(EVAP) 11. Catalytic Converter.
One-click hotkeys I/M for reading/clearing DTCs
Reading/Erasing DTC and I/M readiness hot keys make it easy to use this tool right out of the package. They provide quick access to emissions readiness status, DTC information and erase function
Reads, records, graphs & playbacks(data logging) live sensor data
Build-in DTC Lookup
It is used to search for code definition, saves your time to search online.
Red-Yellow-Green LEDs and build-in speaker indicate emissions monitor status. This diagnostic tool can also help catch intermittent problems or confirm repairs during a drive cycle.