Why does the speed not increase when stepping on the accelerator at 80 km/h?

1 Answers
LoganLee
07/29/25 2:48pm
If the speed does not increase when stepping on the accelerator at 80 km/h, it may be due to insufficient oil pressure, poor fuel pump performance, or blockages in the exhaust system or catalytic converter. Here are more details: 1. Other possible causes: (1) Clutch component failure. The issue might be less noticeable when the engine is cold, but as the temperature rises during driving, the problem may occur more frequently, even leading to a complete halt. (2) Throttle body issues, such as sticking or a faulty stepper motor. (3) Electrical circuit problems like open circuits, short circuits, or poor conductivity. 2. Solutions: (1) For a clogged fuel filter, you can use a gasoline filter, whose main function is to remove impurities from the fuel. Inside such a filter, folded filter paper is connected to plastic or metal filter elements at both ends. Dirty fuel enters and passes through layers of filter paper from the outer wall to the center, allowing clean fuel to flow out. (2) For clutch component failure, lightly press the clutch pedal to engage the release bearing with the release lever. If a 'rustling' sound is heard, it indicates bearing noise. If the noise persists after accelerating, it suggests excessive bearing wear or damage, and the bearing should be replaced.
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