What's the reason for the engine speed not increasing?

1 Answers
CalebAnn
07/28/25 5:03pm
Here is an introduction to the issue of engine speed not increasing: 1. If you have a fault scanner, you can read the car's fault codes to identify which module is reporting the fault, and then address the faulty module. It is recommended to go directly to a repair shop for inspection and maintenance. 2. There are many factors that can cause the car's throttle to not increase the speed. (1) It could be that the throttle position sensor is dirty or the voltage is imbalanced, leading to electronic throttle failure, resulting in the speed not increasing even when the throttle is fully pressed. (2) Among the engine's intake, fuel, and ignition systems, any component failure or abnormality in one of these systems could cause the engine speed to not increase even when the throttle is fully pressed. (3) It could also be due to a fault in the ECU control unit or other reasons.
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