Engine Controls - Tests W/O Codes

• Introduction
• Symptoms
  • Notes
  • Symptom Diagnosis
  • Will Not Start (Cranks Okay)
    • Spark
    • No Spark
  • Hard Starting (Cranks Okay)
  • Engine Surges
  • Rough, Unstable Or Incorrect Idle
  • Excessive Fast Idle
  • Engine Stalls
  • Lack Of Power, Sluggish Or Spongy
  • Hesitation, Sag Or Stumble
  • Engine Backfires
  • Poor Fuel Economy
  • Detonation/Spark Knock
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation