Most car owners haven't realized the importance of owning some auto code scanner. However, it's quite necessary.
Reason 1: You don't need to take time turning to the auto repair store for help and save the charge for the diagnosis if you own auto scan tools like elm327 bluetooth obdii.
For example, checking engine lights is a simple step. If you have a code reader at hand, you can do it in a less expensive way. What's more, some code readers can reader and clear codes of button operation and warn you of an emergency as well. With your own auto scan tools, you can solve all the questions confusing most people during the engine light checking process.
Reason 2: Owning auto scan tools enables you to retrieve and record the code and then clear the code to see if it was an intermittent problem yourself.
When a service engine soon light is turned on, and you take you car to the repair store. Their first procedure is to connect the car with a scanner to get the code. Then they look up the code in their auto service manual. Mostly, they reset the code of the check engine light to see if it returns as a common failure. In this case, the code can't return so that the problem is considered intermittent. But you need to pay for the diagnosis for little or no actual auto repair assistant.
With your own auto scan tools, you can fix it within 10 minutes. If the service engine soon light is back on, you can reconnect the auto scan tool u380 scanner and check that the same code you have created. In this way, you have already cleared the codes and make the first big step of diagnosis for the automotive repair, which will save you money on costs of diagnosis.
Reason 3: You can saving time and money by doing some DIY repairs with your own auto scan tools.
One of the most common reasons for the service engine soon light comes on is the U912 code scanner for fuel system vapor leak. The vehicle's computer performs the test pressure automatically every time you turn on the key. If you just filled in the gas tank without tightening the fuel cap, the computer will regard it as a fuel system leak and illuminate the service engine soon light.
For the OBD2 system, the most annoyed thing is that the service engine soon light remains on even if the code is cleared. As a result, you need auto scan tools to tell whether the current code is a history code or not. You can then continue to operate the vehicle. If the check engine light comes on again, you have saved some time and money.
Article Source: http://www.obd2key.com/2012/03/three-reasons-you-should-own-some-auto-scan-tools/
