What Are the Reasons for No Acceleration When Pressing the Gas Pedal Hard?
2 Answers
Here are the reasons for no acceleration when pressing the gas pedal hard: 1. Using low-quality gasoline: Low-quality gasoline contains more impurities, leading to lower fuel calorific value and reduced thermal efficiency. Long-term use of low-quality gasoline not only weakens the car's power but also easily forms carbon deposits, damages the engine, and shortens its lifespan. 2. Clogged intake system: A clogged intake system reduces oxygen content, resulting in incomplete fuel combustion. Intake system clogging is usually due to throttle issues, and cleaning the throttle can solve the problem. 3. Fuel injector malfunction: Clogged fuel injectors cause poor atomization. Solution: Replace the fuel injectors.
That time I was overtaking on the highway, I floored the accelerator but the car just crawled along, making me sweat with anxiety. Later I learned it was because the throttle body of my older car had accumulated a thick layer of oil sludge, jamming the throttle opening and preventing the engine from getting enough air. Fuel system issues are also common - a clogged fuel filter or aging fuel pump can't keep up with throttle demand. If spark plugs are too old and lack sufficient ignition energy, the engine will feel sluggish too. When repairing cars, I've also encountered faulty oxygen sensors causing the ECU to incorrectly adjust the air-fuel mixture (the check engine light would come on in such cases). Now I've developed the habit of cleaning the throttle body every two years, and never again experienced the embarrassment of unresponsive acceleration.
