Engine Controls - Tests W/O Codes

• Introduction
• Symptoms
  • Symptom Diagnosis
  • Engine Cranking Or Starting Problems
    • Engine Fails To Crank
    • Engine Cranks But Fails To Start
    • Engine Difficult To Start Under Normal Conditions
    • Engine Difficult To Start Under Cold Conditions
    • Engine Difficult To Start Under Hot Conditions
  • Engine Idling Problems
    • Incorrect Idle At Engine Start-Up
    • Engine Idle Speed Remains High
    • Engine Idle Speed Remains Low
    • Rough Engine Idle
    • Engine Misfires
  • Engine DRIVEABILITY Problems
    • Hesitation & Poor Acceleration
    • Engine Backfires
    • Engine Surges
    • Engine Knocks
    • Muffler Explosion
  • Engine Stalling Problems
    • Engine Stalls Soon After Start-Up
    • Engine Stalls After Accelerator Is Depressed
    • Engine Stalls After Accelerator Is Released
    • Engine Stalls During A/C Operation
    • Engine Stalls When Shifting From Neutral Into Drive (A/T Models)
  • Engine Has Poor Fuel Economy
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation
  • Vibration Method
    • Wiring Harness Testing
    • Component, Relay & Sensor Testing
    • Electrical Connector Testing
  • Heat Method
  • Humidity Method
  • Electrical Load Method