How can Chevrolet Sail 3 get off to a bad start?

Questioner: Zhang Sisi's best answer: The main reasons why the car engine hot car can't start are as follows: 1. Low battery voltage; Specific detection method: use the voltage range of multimeter to test the battery voltage. If it is lower than 10V, it is recommended to replace it. For example, 1 1V barely works; Be prepared to be replaced. 12V or above can be used, but other reasons should be found; 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 added; 5. Check the ignition switch; 6. Test and detect starters, gasoline pumps, sensors and other related components of the starting and oil supply system; 7. In addition, don't start it immediately after it is turned on, and wait for 30 seconds to 1 minute before lighting it; See if it works; In any case, you must make a phone call after 15-30 seconds, and call again if you can't get a car, so as to protect the battery from generating electricity and prolong its service life.