Fuel And Emissions - Service, Testing And Troubleshooting

• General Information
  • Fuel Line/Quick-Connect Fitting Precautions
    • Notes
    • Retainer Replacement
    • Fuel Line/Quick-Connect Fitting Removal
    • Fuel Line/Quick-Connect Fitting Installation
• Symptom Troubleshooting Index For Viewer
  • Fuel overflows during refueling (No DTCs set) (KA/KC)
• DTC Troubleshooting Index
  • Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC) (2018 2019 2020)
  • Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC) (2021 2022 2023 2024 2025)
• How To Information
  • How to Troubleshoot the Fuel and Emissions Systems
    • Intermittent Failures
    • Service Information
    • Opens and Shorts
    • CHECK SYSTEM Display Indication (CHECK STARTER SYSTEM)
    • CHECK SYSTEM Display Indication (CHECK AUTO START and STOP SYSTEM)
    • How to Use the HDS (Honda Diagnostic System)
    • If the MIL did not stay on
    • If you cannot duplicate the DTC
    • On-Board Snapshot
    • HDS Clear Command
    • Scan Tool Clear Command
    • DTC Clear
    • How to End a Troubleshooting Session (required after any troubleshooting)
    • How to Troubleshoot Circuits at the PCM Connectors
    • OBD Status
• Component Location Index
  • Fuel and Emissions Systems Component Location Index
• Repair Procedures And Tests
  • Fuel Pressure Relieving
    • Procedure
  • Fuel Tank Unit/Fuel Filter Removal, Installation, Disassembly, and Reassembly
    • Notes
    • Removal
    • Installation
    • Disassembly and Reassembly
  • Fuel and Emissions Systems Service Precautions
    • Fuel Flow Line Disconnection
    • Others
• Description & Operation
  • Fuel Supply System Description
  • Improvement Control in Practical Use Fuel Consumption System Description
• Troubleshooting
  • Fuel Pump Circuit Troubleshooting
• Inspection
  • Fuel Line Inspection (2018 2019)
    • Inspection
  • Fuel Line Inspection (2020 2021 2022 2023 2024 2025)
    • Inspection
• Circuit Diagram
  • Fuel and Emissions Systems Circuit Diagram (2018 2019)
  • Fuel and Emissions Systems Circuit Diagram (2020)
  • Fuel and Emissions Systems Circuit Diagram (2021 2022 2023 2024 2025)
• Fuel And Emissions Systems Symptom Troubleshooting
  • Engine stalls
  • Engine stalls - Diagnostic interview
  • Engine will not start, engine starts but stalls immediately, or engine is hard to start
  • Hard to start engine - Diagnostic interview
• Symptom Troubleshooting Index
  • Fuel and Emissions Systems Symptom Troubleshooting Index (KA/KC)
• Test
  • Fuel Gauge Sending Unit Test
    • Test
  • Fuel Pressure Test
    • Notes
    • Test