Engine Controls - Tests W/O Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Does Not Start
    • Engine Does Not Crank
    • No Initial Combustion
  • Difficult To Start
    • Difficult To Start Normally
    • Difficult To Start When Cold
    • Difficult To Start When Hot
  • Poor Idling
  • Hesitation/Poor Acceleration
  • Hesitation - Coasting
  • Muffler Explosion (Backfire)
  • Engine Stall
  • Knocking
  • Engine Misfire
  • Insufficient Engine Power
  • Poor Fuel Economy
  • Excessive HC & NOX
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation