Why Does the Exam Car Stall Easily?
3 Answers
The reason why the exam car stalls easily is that the clutch pedal is lifted too quickly, and the vehicle's throttle is not pressed in time, increasing the engine load and causing the stall. During the motor vehicle driver's license test, it is essential to pay attention to lifting the clutch pedal slowly to ensure the normal power output of the vehicle's engine and avoid stalling. The clutch pedal of a motor vehicle is the control device for the manual transmission car's clutch assembly, serving as the human-machine interface for the driver. When operating the vehicle, the clutch pedal must be used. The quality of clutch pedal control is closely related to the vehicle's driving performance. Therefore, drivers must learn to operate the clutch correctly during practice. Additionally, if the car lacks sufficient power and the examinee reacts too slowly, it is advisable to park in first gear on a slope. When starting, quickly press the clutch to shift gears while simultaneously accelerating to prevent rolling back. To avoid stalling, sufficient speed and power are required. One of the most likely causes is that the handbrake is not fully released, leading to frequent stalling. If this possibility is ruled out, the issue may lie with the car's clutch. In such cases, the examinee can request the examiner for a vehicle change.
Ever since I started learning to drive, I noticed that exam cars stall particularly easily, mainly due to improper operation by us beginners. Poor clutch control is the key issue—for example, lifting the clutch too quickly during startup without matching it with the throttle, or holding the clutch at the half-engagement point for too long during gear shifts. Nervousness also adds to the trouble, with sweaty palms and scattered attention leading to stiff movements. Exam cars are used frequently and may not be well-maintained, such as old spark plugs or engine carbon buildup, which can cause unstable power output and increase the risk of stalling. It’s advisable to familiarize yourself with the exam car’s characteristics in advance and practice smooth starts and clutch control before the test. If you’re really worried, take a deep breath and focus on the operation—don’t let nerves ruin everything.
After working with vehicles for a long time, I've noticed that stalling issues with exam cars are quite common, with the root cause lying in the vehicle's condition itself. Severe clutch wear is the most frequent issue, as students' repeated practice of half-clutch engagement accelerates wear, leading to discontinuous power transmission. Low idle settings or clogged air filters affect the engine's stable operation; aging batteries with insufficient voltage reduce the ignition system's efficiency. Inadequate daily maintenance is also a major factor, as driving schools, to save costs and effort, extend maintenance intervals, allowing minor issues to accumulate into major problems. It's recommended that driving schools enhance maintenance, such as regularly checking clutches and spark plugs. When learning to drive, individuals should also pay attention to controlling starting speed and coordinating the throttle and clutch more precisely, which can effectively reduce the number of stalls.