What's the reason when a car suddenly stops moving?

2 Answers
Liam
07/29/25 10:52am
The reasons why a car suddenly stops moving are as follows: 1. Clutch: When you press the accelerator, the engine speed increases, but the car doesn't move, indicating a problem with the clutch. 2. Fuel supply system: When you press the accelerator, the engine speed does not increase, indicating that there is no fuel injection, which could be due to an issue with the fuel supply system or the throttle cable. 3. Intake system: When experiencing weak acceleration, check if the intake system is intact. If it is intact, consider whether the intake system needs cleaning. Remove the air filter and blow out the dust; if it's difficult to clean, replace it. Check if the throttle body is clean, and further inspect the intake valve and intake manifold. Clean them if necessary. After inspecting and cleaning the intake system, if the acceleration is still weak, it can be concluded that the issue is not related to the intake system. Idle shaking can be resolved by cleaning the intake system.
Was this review help?
14
4
Share
AndrewAnn
08/13/25 4:21pm
I can totally relate to the sudden car breakdown issue. Last time I was rushing to work, stepped on the gas but the wheels wouldn't move. Engine problems are most common - like worn spark plugs or fuel pump failure causing ignition issues. Transmission troubles are major too - clutch slippage in manuals or gear jamming in automatics can cut power delivery. Electrical system shorts can put the whole car to sleep, often due to aging batteries. Always check dashboard warning lights - if the fuel light's on, refuel immediately. Safety-wise, pull over immediately with hazard lights on, never mess around on highways - call a professional mechanic. Regular maintenance prevents such headaches.
Was this review help?
18
3
Share
Expand All
More Forum Discussions

How to Calibrate the Senova X35 SAS?

Select the X35 model, click "Start Diagnosis", and load the program. Double-click "Electric Power Steering (EPS)" to enter the diagnostic interface. Select "ECU Configuration" and click "Steering Angle Sensor Calibration". Click "Calibrate" to complete the calibration.
9
3
Share

How to remove the small wrench icon on the 2014 B50 dashboard?

Insert the key, but only insert it without turning. Hold the lever next to the odometer for 5-10 seconds, then turn the key to power on. After another 5-10 seconds, start the car. Keep holding the lever throughout this process without releasing it. Generally, following these steps will clear the small wrench icon. If it doesn't clear, repeat the same process a few more times.
9
0
Share

What Causes High Transmission Temperature?

Reasons for high transmission temperature: 1. Clogged pump suction filter screen; 2. Poor radiator cooling capacity; 3. Severe machine overload operation; 4. Serious wear or damage to the transmission hydraulic pump; 5. Severe system leakage, improper operation of the torque converter inlet regulating proportional valve; 6. Transmission clutch slippage can also lead to excessively high transmission temperature. The transmission is a mechanism used to change the speed and torque from the engine, capable of fixing or changing the gear ratio between the output and input shafts, also known as a gearbox. The transmission consists of a gear transmission mechanism and a control mechanism, with some vehicles also equipped with a power take-off mechanism.
16
2
Share

Can the car still be driven if the transmission is slipping?

If the transmission is slipping, the car should not be driven as it poses a safety hazard and requires immediate repair. Causes of transmission slipping: 1. Wear and tear of the clutch, brake, or one-way clutch leading to slipping; 2. Addition or replacement with non-specified oil; 3. Slipping caused by low main oil pressure. The transmission mainly refers to the car's gearbox, which is divided into manual and automatic types. Manual transmissions primarily consist of gears and shafts, achieving speed and torque variation through different gear combinations; automatic transmissions are composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system, achieving speed and torque variation through hydraulic transmission and gear combinations.
11
2
Share

What is the valve clearance for the Ford Focus?

Ford Focus valve clearance is 0.22 to 0.28MM for intake and 0.27 to 0.330MM for exhaust when the engine is cold. Valve clearance is set to ensure the proper operation of the internal combustion engine's valve train. Since the valve train operates at high speeds and elevated temperatures, components like the valve tappet and valve stem expand when heated. Without proper clearance, this expansion could automatically push the valve open, preventing it from sealing tightly against the valve seat, leading to air leakage. The Focus is an A-segment family car and one of Ford Europe's flagship models. It is equipped with either a 1.5L EcoBoost or a 1.5L Ti-VCT engine, and all models meet the China VI emission standards.
16
2
Share

How Should Beginners Drive on the Highway?

Beginners on the highway should maintain a safe distance from the vehicle in front. Here are some tips for beginners driving on the highway: 1. High-speed driving: Avoid sudden steering wheel movements while driving on the highway. Do not reverse, drive against traffic, or make U-turns or turns across the central divider. During normal driving, the following vehicle in the same lane must maintain a sufficient distance from the vehicle in front. 2. Precautions: When entering the highway, accelerate to a speed of at least 50 km/h as quickly as possible. Vehicles entering the highway from the ramp must increase their speed in the acceleration lane. When merging into the main lane, they must not hinder vehicles already traveling in the main lane and should drive in the outer lane.
14
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.