Fuel And Emissions - Service, Testing And Troubleshooting

• Symptom Troubleshooting Index
  • Fuel and Emissions Systems Symptom Troubleshooting Index (USA/Canada models)
• Circuit Diagram
  • Fuel and Emissions Systems Circuit Diagram (2019)
  • Fuel and Emissions Systems Circuit Diagram (2020, 2021)
  • Fuel and Emissions Systems Circuit Diagram (2022, 2023)
• How to Information
  • How to Troubleshoot the Fuel and Emissions Systems
    • Before Troubleshooting
    • System Indicator
    • How to Read DTCs with the HDS
    • If the MIL did not stay on
    • If you cannot duplicate the DTC
    • On-Board Snapshot
    • HDS Clear Command
    • Scan Tool Clear Command
    • How to End a Troubleshooting Session (required after any troubleshooting)
    • How to Troubleshoot Circuits at the PCM Connectors
    • OBD Status
• General Information
  • Fuel Line/Quick-Connect Fitting Precautions
    • Notes
    • Retainer Replacement
    • Fuel Line/Quick-Connect Fitting Removal
    • Fuel Line/Quick-Connect Fitting Installation
      • Notes
      • With New Retainer
      • With New Quick-Connect Fittings
      • With Existing Retainer
      • After Connect The Quick-Connect Fitting to the Fuel Line
  • Fuel and Emissions Systems Service Precautions
    • Precautions for Fuel Flow Line/Parts
• Symptom Troubleshooting
  • Fuel and Emissions Systems Symptom Troubleshooting - Engine Stalls - Diagnostic interview
  • Fuel and Emissions Systems Symptom Troubleshooting - Hard To Start Engine - Diagnostic interview
    • Fuel and Emissions Systems Symptom Troubleshooting - Hard To Start Engine - Diagnostic interview
    • Hard-To Start Condition-Possible Cause Pattern Chart From Diagnostic Interview
• Symptom Troubleshooting Index for Viewer
  • Fuel Overflows During Refueling (No DTCs Set) (USA/Canada models)
• Troubleshooting
  • Fuel Pump Circuit Troubleshooting
    • Notes
    • Inspection Area
    • Inspection Outline
    • Related Information
    • HDS Function
    • Inspection
  • Fuel and Emissions Systems Symptom Troubleshooting - Engine Stalls, Engine Will Not Start, Engine Starts But Stalls Immediately, Engine Is Hard To Start - Troubleshooting With HDS Snapshot/On-Board Snapshot
    • Notes
    • Troubleshooting Information of Engine stalls, Engine will not start
    • HDS Snapshot/On-board Snapshot
    • Troubleshooting Procedure with HDS Snapshot/On-board Snapshot
  • Fuel and Emissions Systems Symptom Troubleshooting - Engine Stalls, Engine Will Not Start, Engine Starts But Stalls Immediately, Engine Is Hard To Start - Troubleshooting Without HDS Snapshot/On-Board Snapshot
    • Notes
    • Inspection Outline
    • Related Information
    • HDS Function
    • Inspection
• Removal and Inspection
  • Fuel Line Inspection
    • Inspection
  • Fuel Pressure Relieving
    • Procedure
  • Fuel Pressure Test
    • Notes
    • Test
  • Fuel Tank Draining
    • Drain
  • Fuel Tank Removal and Installation
    • Removal and Installation
      • Notes
      • USA and Canada Models
      • Mexico Models
      • Procedure
  • High Pressure Fuel Pump Cam Inspection
    • Inspection
  • Secondary Fuel Gauge Sending Unit Test
    • Test
• Component Location Index
  • Fuel and Emissions Systems Component Location Index
• Construction and Function
  • Fuel Supply System Description