Engine Controls - Trouble Shooting - No Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Backfire
  • Engine Stalls
  • Engine Stalls Under Acceleration/ Deceleration
  • Engine Stalls Under Heavy Electrical Load
  • Engine Run-On (Dieseling)
  • Excessive Fuel Consumption
  • Hard Start/Will Not Start
  • Hesitation, Flat Spot Or Surge
  • High Idle (No Return To Idle)
  • Hunting
  • Lack Of Power
  • Rough Idle
  • Spark Knock (Pinging)
  • Surge
  • Unstable Idle
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation