Engine Controls - Tests W/O Codes

• Introduction
• Visual/Physical Inspection
• Symptoms
  • Symptom Diagnosis
  • Hard Starting (Cranks Okay)
  • Engine Surges And/Or CHUGGLES
  • Lack Of Power, Sluggish Or Spongy
  • Detonation/Spark Knock
  • Hesitation, Sag Or Stumble
  • Cuts Out, Misses
  • Rough, Unstable Or Incorrect Idle
  • Poor Fuel Economy
  • Excessive Exhaust Emissions Or Odors
  • Engine Diesels, Run-On
  • Engine Backfires
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation