The auto diagnostic tool is similar with the medicine for disease cure

The most of people think obd2 complex automobile once go wrong must utilize the especial auto diagnostic tool, for instance launch x431 diagun, lexia 3 and so on device or rich experience worker can estimate the breakdown. But they don't know some common breakdown the person often driving also can judge.

When you automobile engine can't work in all probability is the ignition system go wrong, not automobile fuel system or other system emerging questions. If accord to the system checks the ignition system carefully generally don't use the special equipment or tools could find out the breakdown. Firstly open the ignition switch, if the ampere meter display the slightly electro-discharge, or the indicator illumined indicate the circuit is unobstructed and check the Gasoline meter Launch X431 GX3 whether have the gasoline. Operate the engine, if the engine move normally, means the storage battery and starter is nothing goes wrong, on contrary, the engine move slowly, perhaps because the storage battery had been used up or the storage battery had been broken. Also have the probable is for the storage battery binding post comes loose, corroded, and smudged. Or engine, start switch or engine transmission is broken caused. If the engine circuit is normal, put aside the state to consider the ignition system. Like this problem, know some basic automobile structure and working theory can estimate the problem position by yourself, but have the practice experience is better. As well know, some simply and common breakdown without any auto diagnostic tool  Launch X431 GX3 can be judge, even the person don't know much about automobile but frequently face this situation, it's like we absolutely don't know the medical skill but when we catch a cold, we can easy judge that's a cold accord to reason and result just because we face many times. The automobile diagnoses have many similar places with personal diagnoses, so the word original be used in medical also be devoted to the automobile inspection.
The auto diagnostic tool like judge malady of device and medicine, some medicine can cure all of people for this illness, similar with launch x431 diagun can applied to all of cars. But most of medicine is accord to the patients' feature and corporeity work. Like as Digimaser 3 , sbb key programmer, elm327,  and so on is aim at the different cars and breakdown.