Practice question

A school bus diesel intake manifold/boost air leak after the turbo compressor but before the intake will MOST likely cause:

  1. Higher boost and more power
  2. Lower oil temperature
  3. No measurable effect
  4. Low boost, reduced power, and possibly black smoke under load

Answer: D — Low boost, reduced power, and possibly black smoke under load

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Practice more: ASE S2 Diesel Engines (School Bus) Practice Questions - ASE S2 - Diesel Engines (School Bus) Certification Exam →