···
Log in / Register

What's the reason for the accelerator not responding?

3 Answers
StAaron
09/07/25 7:41am
When the accelerator fails to respond, it is generally caused by fuel line blockage, exhaust system malfunction, severe carbon buildup in the throttle, or accelerator pedal failure. Below are detailed explanations regarding the unresponsive accelerator: Explanation of causes: When the car's fuel system is blocked, especially if the fuel injectors are clogged, fuel cannot be adequately transported, resulting in incomplete combustion within the engine cylinders. Throttle carbon buildup: When a car has been driven for an excessive mileage without cleaning the engine throttle, carbon deposits will form, affecting fuel combustion and ultimately leading to reduced car power and increased fuel consumption.
Was this review help?
12
5
Share
Nina
09/19/25 6:50am
I think it's quite common to experience unresponsive throttle, often caused by carbon buildup in the throttle body or fuel system blockage. The throttle body gets dirty after prolonged use, causing sluggish throttle response when it doesn't open and close smoothly - cleaning it yourself might solve the problem. Fuel system issues like a clogged fuel filter causing insufficient fuel supply can also lead to poor acceleration. Worn-out spark plugs failing to ignite properly can cause similar symptoms and need replacement. I once encountered this during a long drive where pressing the accelerator didn't increase speed, and later found the fuel pump was failing - replacing it fixed the issue. For safety, never force the car to keep running; pull over to check simple components like the air filter. Preventive maintenance is key: change the oil filter every 5,000 km and perform a major inspection every 10,000 km. Modern cars with multiple sensors may experience throttle issues due to faulty throttle position sensors or oxygen sensors causing computer misjudgment. Always address these problems early to avoid major repairs.
Was this review help?
15
1
Share
Expand All
LaRuby
11/02/25 7:12am
Once when I was driving, the throttle wouldn't respond and the car felt powerless, which gave me a scare. A friend suggested it might be due to a clogged air filter or fuel system issues. Upon checking, I found the air filter completely covered in dust, and after replacing it, the situation improved slightly; it could also be faulty spark plugs that require professional replacement. A dirty throttle body is a common issue - try spraying some cleaner on it. Insufficient fuel pump pressure can cause acceleration failure, but replacement is more expensive. For prevention, I've learned to do regular minor maintenance, changing the air filter and using clean oil every six months. Safety reminder: if the throttle fails, turn on the hazard lights and pull over, avoid sudden acceleration to prevent accidents. Increased fuel consumption can also serve as a warning sign. Don't ignore damaged ignition coils affecting power; faulty sensors like MAP can also cause the computer to malfunction. Regular engine maintenance saves both trouble and money in the long run.
Was this review help?
17
1
Share
Expand All
More Forum Discussions

How to Connect a Huawei Phone to a BMW 5 Series?

First, download and install the "Baidu Carlife" software on your phone. Open Carlife on both your phone and the car. You can connect via a phone data cable, with one end connected to the phone and the other to the car's USB port. Some cars may also support WiFi connection. Enter Baidu Carlife on your phone (the car should also enter the Carlife connection system). Allow all requested permissions, and the connection should now be successfully established.
3
1
Share

How to Use the Lights on the Volkswagen Tharu?

Before operating the light control lever, ensure the vehicle is in the ignition-on state. Pull the lever to activate the flashing function, alerting other vehicles. Release to automatically return to position. The front and rear fog light switches are located below the left side of the steering wheel. To turn on the lights, simply rotate the knob to the corresponding position. With the headlights on, activating the windshield washer switch will also clean the headlights. To clean only the windshield, turn off the headlights to avoid cleaning both simultaneously. Activation method: Adjust to the AUTO position.
15
2
Share

What Causes the Interior Light to Stay On?

Interior lights generally have three modes: always on, always off, and on when the door is open. If the interior light stays on, it may be set to the always-on mode. More details about interior lights are as follows: 1. Function: Interior lights are installed in various parts of the vehicle to facilitate safe entry and exit at night and to read maps while driving. 2. Overview: The light switch (SW) should be accessible from both front and rear seats, typically with three positions: ON, OFF, and linked to the door. To minimize the thickness of the light, 5~10W bulb lights are commonly used. For broader interior lighting needs, bulbs with a power of 8~30W are generally employed.
20
4
Share

How Many Kilometers Should a Three-Way Catalytic Converter Be Cleaned?

Typically, the three-way catalytic converter should be cleaned every 30,000 kilometers. Here is relevant information: 1. Conditions requiring cleaning: When you notice increased fuel consumption or reduced power, check and clean the three-way catalytic converter as needed; After each cleaning of the fuel injectors, throttle, and intake tract maintenance, the three-way catalytic converter should also be cleaned; It is advisable to clean the three-way catalytic converter before the annual exhaust emission test. 2. Cleaning benefits: The three-way cleaning agent can simultaneously clean the engine's intake system, combustion system, and exhaust system. It effectively, quickly, and efficiently removes carbon deposits in the intake tract and combustion chamber, as well as chemical complexes attached to the oxygen sensor and three-way catalytic converter.
17
4
Share

Should You Turn on Hazard Lights When Driving in Heavy Rain?

You should turn on hazard lights when driving in heavy rain. Here is some relevant information about hazard lights: 1. Introduction: Hazard lights are also known as emergency flashers, commonly referred to as double flashers, and technically termed as hazard warning lights. 2. Location: The hazard light button is located in the center of the dashboard, marked with a red triangle symbol. Pressing this button will cause all four turn signals to flash simultaneously. 3. Reason for not using hazard lights in fog: Hazard lights are the highest-level warning lights, so many people instinctively turn them on in foggy conditions. However, this practice is prohibited in some countries because it can make it difficult for following vehicles to determine the direction the leading vehicle is heading.
17
5
Share

Can I Call a Friend for Help in Case of a Tire Blowout on the Highway?

It is not recommended to call a friend for help on the highway. Here are the relevant precautions: 1. Reduce speed and move to the emergency lane: In the event of a tire blowout, first gradually reduce your speed and move the vehicle to the emergency lane at a low speed. 2. Turn on hazard lights and place a warning triangle: Turn on the hazard lights and then place a warning triangle 150 meters in front of and behind the vehicle. 3. Call the insurance company: If your car insurance includes tire replacement service, you can call the insurance company. You can also dial the highway rescue number 12122, and professionals will come to assist.
7
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.