Practice question

A school bus diesel fuel system has water contamination. The MOST likely consequences are:

  1. Improved lubrication of the injection pump
  2. Higher boost pressure
  3. Lower exhaust temperature only
  4. Injector and pump corrosion/damage, hard starting, and possible loss of power

Answer: D — Injector and pump corrosion/damage, hard starting, and possible loss of power

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