Isuzu Engine Diagnostic & Driveability Training Manual


Dave Woolworth



This  download training manual is a  designed for the experienced  Service Technician and covers:

  • An overview of the 4HK and 6HK series fuel and engine management systems, including inputs and outputs of the ECM, along with sensor operation.
  • Proper engine diagnostic procedures
  • A basic understanding of the VNT turbocharger on both the 4HK and 6HK engines.
  • A basic understanding of cam timing, valve adjustment and fuel injection pump timing procedures.
  • PTO operation and programming
  • Vehicle option programming
  • Diesel fuel testing
  • Diesel particular filter (DPF)

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