Engine Controls - Basic Engine Testing 4.3L

• Model Identification
• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• A-3, No-Start Diagnosis
  • Definition
  • No Start - Engine Cranks Okay
    • General Inspection
    • Ignition System
    • Fuel System
• Basic Fuel System Checks
  • Fuel System Pressure Relief
  • Fuel System Pressure Test
  • Injector Circuit Diagnosis (A-4)
• C-4, Basic Ignition System Checks
• Idle Speed & Ignition Timing
• On-Board Diagnostic (OBD) System Check
  • Notes
  • The OBD System Check Determines:
  • A-1, Malfunction Indicator Light (Mil)
  • A-2, No Scan Tool Data
• Summary