Engine Controls - Tests W/O Codes - 4.0L

• Introduction
• Symptoms
  • Symptom Diagnosis
  • No Start Or Hard Start
  • Starts But Stalls
  • Hard To Start - Cold Engine
  • Erratic Idle Or Surging
  • Backfiring
  • Incorrect Idle Speed
  • Hesitation - Acceleration
  • Knocking
  • Engine Misfire - All Conditions
  • Insufficient Engine Power
  • Poor Fuel Economy
  • Excessive HC & Co
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation