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What may cause peak (maximum) combustion pressure to go high while there are no abnormalities with the compression pressure, it is normal?

30 Sep '19, 06:51

Sept. 30, 2019, 6:51 a.m.
KnowledgeBase's gravatar image



Answer:

high combustion pressure

The high combustion pressure may be caused by:

  1. Early fuel injection
  2. Incorrect setup of fuel pumps/injectors
  3. Incorrect settings of VIT (Variable Injection Timing)

High peak pressure manifests itself by a knocking sound from the affected unit. This unit will be affected by higher forces and may be damaged in a short period of time if the engine will be allowed to operate in such condition.

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30 Sep '19, 11:25

Sept. 30, 2019, 11:25 a.m.
cheng's gravatar image


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