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What may cause the reduction in the engine output power with simultaneous reduction of exhaust gas temperature and combustion pressure of single cylinder?

31 Jul '19, 15:25

July 31, 2019, 3:25 p.m.
KnowledgeBase's gravatar image



Answer:

The fuel injection valve is faulty: nozzle clogged or needle jammed in the closed position. Strong pulsation can be felt with hand on high-pressure fuel pipe. Replace the faulty injector asap.

If no or weak fuel pulsation identified in the high-pressure fuel pipe, most probably the fuel pump failed: plunger get stuck, suction or delivery valve failed, roller with push rod damaged. Inspect and replace the subject fuel pump asap.

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31 Jul '19, 15:28

July 31, 2019, 3:28 p.m.
cheng's gravatar image


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