Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • Engine - No Start, Hard Start, or Poor Running
  • Engine - Misfire
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • Fuel - Improved Additive
• By Symptom
  • Customer Interest
    • Engine - No Start, Hard Start, or Poor Running
    • Engine - Misfire
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • Fuel - Improved Additive
  • Driveability
    • Engine - No Start, Hard Start, or Poor Running
    • Engine - Misfire
    • Fuel Injection - System Cleaning And Decarbonization
      • Overview
      • Step 1. Preliminary Checks
      • Step 2. Carbon Build-Up, Diagnosis
      • Step 3, Fuel Injection System, Cleaning
      • Step 4, Carbon Build-Up, Removing
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • Fuel - Improved Additive
  • Poor performance
    • Fuel Injection - System Cleaning And Decarbonization
      • Overview
      • Step 1. Preliminary Checks
      • Step 2. Carbon Build-Up, Diagnosis
      • Step 3, Fuel Injection System, Cleaning
      • Step 4, Carbon Build-Up, Removing
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
  • Starting problems
    • Engine - No Start, Hard Start, or Poor Running
    • Fuel Injection - System Cleaning And Decarbonization
      • Overview
      • Step 1. Preliminary Checks
      • Step 2. Carbon Build-Up, Diagnosis
      • Step 3, Fuel Injection System, Cleaning
      • Step 4, Carbon Build-Up, Removing
• All Technical Service Bulletins
  • Engine - No Start, Hard Start, or Poor Running
  • Engine - Misfire
  • Fuel Injection - System Cleaning And Decarbonization
    • Overview
    • Step 1. Preliminary Checks
    • Step 2. Carbon Build-Up, Diagnosis
    • Step 3, Fuel Injection System, Cleaning
    • Step 4, Carbon Build-Up, Removing
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • Fuel - Use of Gasolines Containing Detergent Recommended
  • Fuel - Improved Additive