What are the faults when the throttle valve of a diesel vehicle is broken?

1 Answers
DeGenevieve
07/30/25 7:06am
When the throttle valve of a diesel vehicle is damaged, the following faults may occur: 1. Unstable flow: After the throttle valve or one-way throttle valve is adjusted and locked, sometimes the flow may become unstable, especially at the minimum stable flow. The main causes of unstable flow include loosening of the locking device, partial blockage of the throttle port, rising oil temperature, and changes in load pressure. 2. Increased leakage: When the throttle port of the throttle valve or one-way throttle valve is closed, there will inevitably be some leakage due to the gap sealing, so the throttle valve or one-way throttle valve cannot be used as a shut-off valve. When the sealing surface is excessively worn, it may lead to increased leakage, sometimes also affecting the minimum stable flow. In such cases, the valve core should be replaced.
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