Engine Controls - Trouble Shooting - No Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • No Crank
  • Hard Start/Long Crank
  • Stall After Start
  • No-Start/Normal Crank
  • Slow Return To Idle
  • Idle Surge, Runs Rough Or Misses
  • Fast Idle, Diesels/Runs On
  • Low/Slow Idle, Stalls/Quits
  • Stalls/Quits, Hesitation/Stumble
  • Runs Rough/Misses
  • Surges
  • Backfires
  • Loss Of Power
  • Spark Knock
  • Poor Fuel Economy
  • Emissions Compliance
  • Warning Indicator Lights
  • High Oil Consumption
  • Cooling System Runs Hot
  • Cooling System Runs Cold
  • Exhaust Smoke Or Smell
  • Fuel Odor
  • Engine Noise
  • Vibration
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Notes
    • Intermittent Simulation