Ignition System: Technical Service Bulletins

• Customer Interest
  • Engine - Miss, Hesitation, or Roughness
• By Symptom
  • Customer Interest
    • Engine - Miss, Hesitation, or Roughness
  • Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Poor Performance/Driveability/Fuel Mileage
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
• All Technical Service Bulletins
  • HEI System - Description and Diagnosis Chart
  • Engine - Miss, Hesitation, or Roughness
  • Ignition - Spark Plug Application & Gap
  • Spark Plug - Gap Information
  • ECM - Knock Retard Data Stream Changes
  • Engine - Poor Performance/Driveability/Fuel Mileage