2014 Honda Insight BaseFACTORY OEM SERVICE PROCEDURE

EGR System DTCS

EGR SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC P0400 EGR System Leak Detected
DTC P0401 EGR Insufficient Flow
DTC P0404 EGR Control Circuit Range/Performance Problem
DTC P0406 EGR Valve Position Sensor Circuit High Voltage
DTC P2413 EGR System Malfunction
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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