Emission Control Systems: Technical Service Bulletins

• Customer Interest
  • Engine - Occasional `Jolt' While Driving
• By Symptom
  • Customer Interest
    • Engine - Occasional `Jolt' While Driving
  • Driveability
    • Engine - Occasional `Jolt' While Driving
  • Leaks
    • Evaporative Emission (EVAP) - Vapor Leaks
• All Technical Service Bulletins
  • Emission Relay - Panel Testing
    • Overview
    • Diagnosis
      • Normal Cold Start
      • Enrichment Under Accel. During Warm-Up
      • Hot Start Pulse Relay
      • Accel. Enrichment After Hot Start
      • Acceleration Enrichment Pulse Relay
      • Wide Open Throttle Enrichment-Turbo Only
      • Decal System Relay
      • 1982-83 Relay Position Diagram
      • 1982-83 Relay Wiring Diagram
  • Emission Control System - Variations
  • Catalytic Converter - Alignment Precautions
  • Evaporative Emission (EVAP) - Vapor Leaks
  • Evaporative System - Leak/Pressure Testing
  • Engine - Occasional `Jolt' While Driving