Engine Controls - Tests W/O Codes - EFI

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Difficult To Start
  • Surges
  • Lack Of Power
  • Spark Knock/Detonation
  • Hesitation, Sag Or Stumble
  • Cuts Out Or Misses
  • Poor Fuel Mileage
  • Rough Or Unstable Idle
  • Excessive Exhaust Emissions Or Odors
  • Backfire
  • Dieseling (Run-On)
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation
    • Intermittent CHECK ENGINE Or SERVICE ENGINE SOON Light & No Trouble Codes Present