ASE H2 Diesel Engines (Transit Bus) Practice Questions - ASE H2 - Diesel Engines (Transit Bus) Certification Exam

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During a manual cylinder cutout (cylinder contribution) test on a Cummins ISL, one cylinder produces no change in engine rpm when its injector is disabled. This indicates that the cylinder is:

Already not contributing power Producing excessive power Operating normally Overfueling slightly

Correct Answer:

Already not contributing power

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