Engine Controls - Tests W/O Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Difficult To Start Or No Start
    • Preliminary Checks
    • Engine Cold
    • Engine At Operating Temperature
    • Engine Hot
  • Hesitates
    • Preliminary Checks
    • Engine Cold
    • Engine At Operating Temperature
    • Engine Hot
  • High Idle After Warm-Up
    • Preliminary Checks
  • Fluctuating Idle Speed (Hunting)
  • Unstable Idle
  • Engine Stalls
    • Engine Cold
    • Engine Hot
    • On Deceleration
  • Lack Of Power
  • Engine Knock (Ping)
    • Preliminary Checks
  • Surging
  • Backfire Through Intake
  • Backfire Through Exhaust
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation