Engine Controls - Trouble Shooting - No Codes

• Introduction
• Preliminary Inspection
• Symptoms
  • Symptom Diagnosis
  • Intermittent "Service Telltale" Lamp
  • Hard Start
  • Hesitation, Sag, Stumble
  • Surges &/Or CHUGGLE
  • Lack Of Power, Sluggish Or Spongy
  • Detonation/Spark Knock
  • Cuts Out, Misses
  • Backfire
  • Poor Fuel Economy
  • Rough, Unstable, Incorrect Idle Or Stalling
  • Excessive Exhaust Emissions (Odors)
  • Intermittent Engine Stall, No Codes
• INTERMITTENTS
  • Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation
  • Diagnosing INTERMITTENTS Using Snapshot On Code Set Feature