Engine Controls - Tests W/O Codes

• Introduction
• Symptom Diagnosis
• Rough Idle
• Poor Fuel Mileage
• Erratic Timing Advance
• Timing Not Affected By Vacuum
• Engine Fails To Start
  • No Spark At Plugs
  • Cranks Normally With Spark At Plugs
• Engine Backfires, Fails To Start
• Engine Continues To Run With Key Off
• Engine Starts, Then Dies
• Hard Starting
• Poor High Speed Operation
• Ping Or Knock On Acceleration
• Intermittent Problem Diagnosis
• Test Procedures
  • Intermittent Simulation