Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • Engine - Poor Idle/Low Speed/Cruise Performance
  • Engine - Poor Idle Quality
  • Engine Performance - Rough Idle
  • Engine - Rough Idle In Drive
  • A/T MIL ON - DTC P1777 Enters Limp Home Mode
  • Fuel System - Poor Hot Engine Starting
  • Engine Performance - Intermittent High Idle
    • Overview
    • Action
      • Overview
      • Replacing Throttle Spring - Normally Aspirated Engines
      • Replacing Throttle Spring - Supercharged Engines
    • Parts Information
    • Warranty Information
  • ECM - Idle Instability/Hesitation Following Cold Start
  • Engine Performance - Various Driveability Complaints
  • Throttle - Sticking in Closed Position
  • Engine - Rattle Immediately After Hot or Cold Start
  • Engine Performance - Poor Idle Quality
    • Overview
    • Valve Timing Modification Procedure
  • Engine - Intermittent Misfire/No Start
• By Symptom
  • Abnormal wear/deterioration
    • Engine - Intermittent Misfire/No Start
  • Customer Interest
    • Engine - Poor Idle/Low Speed/Cruise Performance
    • Engine - Poor Idle Quality
    • Engine Performance - Rough Idle
    • Engine - Rough Idle In Drive
    • A/T MIL ON - DTC P1777 Enters Limp Home Mode
    • Fuel System - Poor Hot Engine Starting
    • Engine Performance - Intermittent High Idle
      • Overview
      • Action
        • Overview
        • Replacing Throttle Spring - Normally Aspirated Engines
        • Replacing Throttle Spring - Supercharged Engines
      • Parts Information
      • Warranty Information
    • ECM - Idle Instability/Hesitation Following Cold Start
    • Engine Performance - Various Driveability Complaints
    • Throttle - Sticking in Closed Position
    • Engine - Rattle Immediately After Hot or Cold Start
    • Engine Performance - Poor Idle Quality
      • Overview
      • Valve Timing Modification Procedure
    • Engine - Intermittent Misfire/No Start
  • Driveability
    • Engine - Poor Idle/Low Speed/Cruise Performance
    • Engine - Poor Idle Quality
    • ECM - Idle Instability/Hesitation Following Cold Start
    • Engine - Misfire/Starting Difficulty
    • Engine Performance - Various Driveability Complaints
  • Erratic Operation
    • Throttle - Sticking in Closed Position
  • Noise
    • Engine - Rattle Immediately After Hot or Cold Start
  • Poor performance
    • Engine - Poor Idle Quality
  • Starting problems
    • Fuel System - Poor Hot Engine Starting
  • Sticking/Binding
    • EGR Valve - DTCs P0400, P1400, and P1401 EGR
    • Engine Performance - Intermittent High Idle
      • Overview
      • Action
        • Overview
        • Replacing Throttle Spring - Normally Aspirated Engines
        • Replacing Throttle Spring - Supercharged Engines
      • Parts Information
      • Warranty Information
  • Stiff controls
    • Throttle - Sticking in Closed Position
  • Vibration
    • Engine Performance - Rough Idle
    • Engine - Rough Idle In Drive
• All Technical Service Bulletins
  • Engine - Poor Idle/Low Speed/Cruise Performance
  • Engine - Poor Idle Quality
  • Spark Plugs - Change In Specification
  • Engine Performance - Rough Idle
  • Engine - Rough Idle In Drive
  • A/T MIL ON - DTC P1777 Enters Limp Home Mode
  • EGR Valve - DTCs P0400, P1400, and P1401 EGR
  • Fuel System - Poor Hot Engine Starting
  • Engine Performance - Intermittent High Idle
    • Overview
    • Action
      • Overview
      • Replacing Throttle Spring - Normally Aspirated Engines
      • Replacing Throttle Spring - Supercharged Engines
    • Parts Information
    • Warranty Information
  • ECM - Idle Instability/Hesitation Following Cold Start
  • Spark Plugs - Change to Hotter Plugs
  • Engine - Misfire/Starting Difficulty
  • Engine Performance - Various Driveability Complaints
  • Throttle - Sticking in Closed Position
  • Engine - Rattle Immediately After Hot or Cold Start
  • Engine Performance - Correcting Poor Idle Quality
  • Engine Performance - Poor Idle Quality
    • Overview
    • Valve Timing Modification Procedure
  • Engine - Intermittent Misfire/No Start
  • Special Tool - Fuel Pressure Test
    • Overview
    • Checking Fuel Pressure
  • Tool - Fuel Pressure Testing
  • Tool - Fuel Pressure Tester Adapter