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 DRIVEABILITY
    • 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