Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • Fuels - Effect of Volatility On Driveability Conditions
  • Electrical - Intermittent Driveability Conditions
  • Engine - Miss, Hesitation, or Roughness
  • Engine Control - Intermittent or Hard Code E59/E059
  • Engine - Shudder and Loss of Power
  • Engine - Miss on Number Five Cylinder
  • Engine - Stalls During Drive to Reverse Maneuvers
  • Fuel - Intermittent Reduction of Power/Stall
  • ECM - Driveability Concerns/Erratic Warning Lamps
    • Overview
    • Conditon and Cause
    • Correction:
      • A.Loss of Power or Ground to the ECM
      • B.Large Voltage Variations On Vehicle Power and Ground Wires
      • C.Large Voltage Variations On ECM Connected Signal Wires
  • Ignition - Poor Driveability, Carbon Tracked Spark Plugs
  • Engine Controls - False DTCs/Engine Quits, ECC Module
  • Engine Idle Surge, DTC 30 (Idle Speed Control) Set
  • O2 Sensor - DFI Codes 13 and 45
  • Ignition - Rough Idle, Spark Plug Wire Shorting
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Engine - Miss on Number Five Cylinder
    • Engine Idle Surge, DTC 30 (Idle Speed Control) Set
    • Engine - HT4100 Revised Distributor Drive Gear
  • Customer Interest
    • Fuels - Effect of Volatility On Driveability Conditions
    • Electrical - Intermittent Driveability Conditions
    • Engine - Miss, Hesitation, or Roughness
    • Engine Control - Intermittent or Hard Code E59/E059
    • Engine - Shudder and Loss of Power
    • Engine - Miss on Number Five Cylinder
    • Engine - Stalls During Drive to Reverse Maneuvers
    • Fuel - Intermittent Reduction of Power/Stall
    • ECM - Driveability Concerns/Erratic Warning Lamps
      • Overview
      • Conditon and Cause
      • Correction:
        • A.Loss of Power or Ground to the ECM
        • B.Large Voltage Variations On Vehicle Power and Ground Wires
        • C.Large Voltage Variations On ECM Connected Signal Wires
    • Ignition - Poor Driveability, Carbon Tracked Spark Plugs
    • Engine Controls - False DTCs/Engine Quits, ECC Module
    • Engine Idle Surge, DTC 30 (Idle Speed Control) Set
    • O2 Sensor - DFI Codes 13 and 45
    • Ignition - Rough Idle, Spark Plug Wire Shorting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Fuels - Effect of Volatility On Driveability Conditions
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Detonation (Pinging), Slight Tip-in Hesitation
    • Engine Control - Intermittent or Hard Code E59/E059
    • Engine - Shudder and Loss of Power
    • Engine - Miss on Number Five Cylinder
    • Engine - Stalls During Drive to Reverse Maneuvers
    • Fuel - Intermittent Reduction of Power/Stall
    • Ignition - Poor Driveability, Carbon Tracked Spark Plugs
    • Engine Controls - False DTCs/Engine Quits, ECC Module
    • Engine Idle Surge, DTC 30 (Idle Speed Control) Set
    • Ignition - Rough Idle, Spark Plug Wire Shorting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
    • Fuel - Intermittent Reduction of Power/Stall
    • Ignition - Rough Idle, Spark Plug Wire Shorting
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Ignition - Poor Driveability, Carbon Tracked Spark Plugs
    • Engine Controls - False DTCs/Engine Quits, ECC Module
  • Noise
    • Engine - Detonation (Pinging), Slight Tip-in Hesitation
    • Engine Controls - False DTCs/Engine Quits, ECC Module
  • Poor performance
    • Fuels - Effect of Volatility On Driveability Conditions
    • Electrical - Intermittent Driveability Conditions
    • Engine - Shudder and Loss of Power
  • Starting problems
    • Fuels - Effect of Volatility On Driveability Conditions
    • Engine Control - Intermittent or Hard Code E59/E059
• All Technical Service Bulletins
  • Fuels - Effect of Volatility On Driveability Conditions
  • Electrical - Intermittent Driveability Conditions
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Detonation (Pinging), Slight Tip-in Hesitation
  • Engine Control - Intermittent or Hard Code E59/E059
  • Engine - Shudder and Loss of Power
  • Engine - Miss on Number Five Cylinder
  • Engine - Stalls During Drive to Reverse Maneuvers
  • Fuel - Intermittent Reduction of Power/Stall
  • ECM - Driveability Concerns/Erratic Warning Lamps
    • Overview
    • Conditon and Cause
    • Correction:
      • A.Loss of Power or Ground to the ECM
      • B.Large Voltage Variations On Vehicle Power and Ground Wires
      • C.Large Voltage Variations On ECM Connected Signal Wires
  • Ignition - Poor Driveability, Carbon Tracked Spark Plugs
  • Engine Controls - False DTCs/Engine Quits, ECC Module
  • Spark Plug - New Design
  • Engine Idle Surge, DTC 30 (Idle Speed Control) Set
  • O2 Sensor - DFI Codes 13 and 45
  • Engine - HT4100 Revised Distributor Drive Gear
  • Ignition - Rough Idle, Spark Plug Wire Shorting
  • Secondary Ignition Wire - Service Precautions
  • Engine, A/T - Shift/Driveability Concerns/MIL ON