Diagnostic Aids

Improper fuel system pressure may contribute to one or all of the following symptoms:

• Engine Cranks, But Will Not Run
• Diagnostic Code 44 Or 45
• Cutting Out "Feels" Like Ignition Problem
• Hesitation, Loss Of Power Or Poor Fuel Economy
  Fig 1: Chart A-7 - Fuel System Diagram

  Courtesy of ISUZU MOTOR CO.
  Fig 2: Chart A-7 - Diagnostic Flowchart (1 Of 2)

  Courtesy of ISUZU MOTOR CO.
  Fig 3: Chart A-7 - Diagnostic Flowchart (2 Of 2)

  Courtesy of ISUZU MOTOR CO.