Why is the car accelerator pedal hard to press down?
2 Answers
Mainly due to carbon deposits in areas such as the engine and throttle body. Below are the relevant explanations: 1. Engine oil level: Check the engine oil level. If the oil level is between the (F) and (L) marks, it is within the normal range. If it is below the (L) mark, add the specified type of engine oil. The oil level after topping up should not exceed the (F) mark. 2. Coolant level: When the engine is hot, never open the radiator cap, as you may be scalded by splashing coolant or high-temperature steam. After the engine has cooled, check that the coolant level is between the full and low marks. If not, add distilled water or purified water (do not use mineral water) or antifreeze. The liquid level after adding should not exceed the full mark. 3. Clutch master cylinder: If the clutch fluid level is between the high and low marks, it is normal. If it is below the standard line, the master or slave cylinder piston cup may be damaged.
Let me tell you, as an experienced driver, last month my car's accelerator pedal suddenly became extremely stiff and hard to press, which almost scared me to death. After inspection, it was found that the throttle cable had rusted because the car hadn't been driven for six months, and the high humidity corroded the cable. Accumulated dirt and dust can also jam the cable's movement. It could also be due to insufficient lubrication in the pedal's mechanical parts, a broken or deformed spring. For cars with electronic throttles, it's more likely a sensor failure, such as a malfunctioning pedal position sensor or control module issue. Never force the pedal down, as it can cause the throttle to stick and lead to uncontrolled acceleration. Safe handling method: immediately stop the car, turn on the hazard lights, and have a professional technician diagnose and replace the parts using proper tools. Regular maintenance, lubricating the throttle cable, and cleaning mud from under the car can help prevent such issues.
