Engine Controls - Trouble Shooting - No Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Will Not Start (Cranks Okay)
    • Spark
    • No Spark
  • Difficult Start (Cranks Okay)
  • Engine Surges
  • Rough Or Unstable Idle
  • Excessive Fast Idle
  • Engine Stalls
  • Engine Lacks Power
  • Engine Misfires Or Hesitates
  • AFTERBURN In Exhaust System
  • Poor Fuel Mileage
  • Detonation Or Knocking
  • Fails Emission Test
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation