Yamaha pump won't catch fire. What happened?

If the car can't hit the car, the engine of the hot and cold car can't start, and the idle speed is unstable, mainly because of the phenomenon of fuel spraying fire, such as:

We are 1, and the car battery voltage is low; Specific detection method: if replacement is recommended, test the battery voltage with three-meter voltage range, 10V or lower. 1 1V or so, barely used; Ready to replace. 12V or more is ok, but other reasons should be found; Limited 2, check whether it is caused by carbon deposition; If driving about 20 thousand kilometers, focus on checking and cleaning the throttle;

3. Check, test and replace the spark plug;

4. Confirm the quality of gasoline products; Page 5, Check the ignition switch;

6. Test and test the fuel pump, sensors and information about starting and fuel system.

7. Do not start immediately after another power supply, please wait for 30 seconds before igniting; See if there is any influence;

In any case, please note that you can't take a taxi once, and you must follow the interval of 15-30 seconds, but the power supply can protect the battery and prolong its service life.