2002 Acura RSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Intake Air System DTCS

INTAKE AIR SYSTEM DIAGNOSTIC TROUBLE (DTC) CODE IDENTIFICATION

DTC Description
DTC P0661 IMT (IMRC) Valve Position Sensor Circuit Low Voltage 2002-2004 models)
DTC P0661 IMT (IMRC) Valve Position Sensor Circuit Low Voltage (2005-2006 models)
DTC P0662 IMT (IMRC) Valve Position Sensor Circuit High Voltage (2002-2004 models)
DTC P0662 IMT (IMRC) Valve Position Sensor Circuit High Voltage (2005-2006 models)
DTC P1077 IMT (IMRC) System Malfunction (Low RPM) Stuck Short (2002-2004 models)
DTC P1078 IMT (IMRC) System Malfunction (High RPM) Stuck Long (2002-2004 models)
DTC P1078 IMT (IMRC) System Malfunction (High RPM) Stuck Long (2005-2006 models)
Factory Service Tools

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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.