Why does the engine stall during hill start and stop?

[DelMaya]

There are two main reasons for engine stalling during hill start and stop: first, the clutch is released too low; second, the handbrake is released without applying throttle. Below is relevant information about Subject 2: 1. Test items: The test includes five mandatory items - reverse parking, parallel parking, hill start and stop, right-angle turn, and curve driving (commonly known as S-turn). Some regions have a sixth item of highway toll card collection. 2. Passing criteria: The full score is 100 points, with evaluation standards set for failing, 20-point deduction, 10-point deduction, and 5-point deduction. For large buses, tractors, city buses, medium buses, and heavy trucks, a score of 90 is required to pass; for other vehicle types, a score of 80 is sufficient.