Ford pickup diesel high-pressure common rail throttle valve fully open

Does the subject want to ask, "What is the reason why the throttle valve of Ford pickup diesel high-pressure rail is fully open?" The throttle lever is damaged, there is dirt at the throttle door, and the throttle lacks oxygen.

1. According to the query of Pacific Auto Network, the throttle lever is damaged, the inside of the throttle lever is damaged or damaged, and the engine is faulty.

2. There is dirt at the throttle, and the throttle body is blocked and cannot circulate.

3. The throttle lacks oxygen, so the fuel can't be effectively mixed with air at the throttle, and the engine is overheated.