OBD2 Scanner-good choice for you

OBD-II provides access to data from the engine control unit (ECU) and offers a valuable source of information when troubleshooting problems inside a vehicle. The SAE J1979 standard defines a method for requesting various diagnostic data and a list of standard parameters that might be available from the ECU. The various parameters that are available are addressed by “parameter identification numbers” or PIDs which are defined in J1979. For a list of basic PIDs, their definitions, and the formula to convert raw OBD-II output to meaningful diagnostic units, see OBD-II PIDs. Manufacturers are not required to implement all PIDs listed in J1979 and they are allowed to include proprietary PIDs that are not listed. The PID request and data retrieval system gives access to real time performance data as well as flagged DTCs. For a list of generic OBD-II DTCs suggested by the SAE, see Table of OBD-II Codes. Individual manufacturers often enhance the OBD-II code set with additional proprietary DTCs.

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Now, you can select the trouble codes on the screen of your OBD2 scanner to see what is really wrong with your vehicle.  Some OBD2 scanners are more advanced and will actually tell you what the trouble codes are and others will just give you the codes and you have a separate book where you will look up these codes to find out what is wrong with your vehicle.  If you’ve just had your oil changed and they were unable to reset or erase the trouble code that’s popping up the service light or check engine light on your car you can actually easily erase this with most OBD2 scanners.

All OBD2 code scanners come with a user manual build a more in depth than this and you can actually track the performance and output of your engine and vehicle.  You can get your VIN number and other pertinant data right from the code scanner.  So now you know how to erase erroneous codes so they don’t annoy you on your dashboard.  And you aren’t limited to just the car dealer for service.  At $50-$100 OBD2 scanners are definitely well worth having.

Fcar F3-W auto scanner Product features

Production after 1996, most cars are equipped with OBD-II system. This represents a board diagnostics. Something is wrong car, it will produce an error code via the OBD-II system. The computer signals can tell the car the problem is the mechanics of what kind of work. However, you need specialized equipment to read the error signal.
Understand that the "check engine" light can come on due to the smallest issue. Use an auto scanner to quickly find out the source of the problem. The vehicle can't start telling you what's wrong until you know its language: the On-Board Diagnostics (OBD). Fortunately, every car built from 1985 onward has OBD. All you need is an OBD reader to get to the bottom of the problem and solve it.
Plug an OBD reader into a connection port on your car. The reader can then interface with the car's central computer, which will return a computer code that identifies the source of your problem.
Fcar F3-W is the auto scanner which is specialized to design for the diagnosis of petrol engine electronic control systems.Support almost all OBD-II protocols.
Fcar F3-W Product features:
Simply and practicably：Can Support almost all OBD-II protocols with one OBD Connector
Diagnose automatically: Can diagnose the relevant software and hardware automatically
Exquisite Display: superlarge 8-inch color display
Comprehensive Configurations: equipped with various interfaces and micro- printer
Use Conveniently: Completely touch operation platform
Function uniquely: Unique data stream to select quickly for the display and comparison function
Detect automatically: Can detect engine electronic control system automatically
Study Conveniently: Built-in operation manual and help system
Upgrade quickly: Can upgrade software data and maintenance data randomly every week
Advanced Technology: ARM32 digits compare to hardware configuration of industry level
Use widely: Can be applicable to training institutions and engine service enterprises