An indicator card from a cylinder of a diesel engine shows a maximum combustion pressure (Pmax) occurring earlier in the cycle than normal with a normal compression pressure.

How to identify the cause of the problem?

28 Aug '20, 10:46

Aug. 28, 2020, 10:46 a.m.
3Eng's gravatar image

  1. Check for early fuel injection timing
  2. Check for too low fuel injector opening pressure settings
  3. Fuel pump lead may be too large
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28 Aug '20, 10:53

Aug. 28, 2020, 10:53 a.m.
cheng's gravatar image

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