OBDII Code List

P1078 ACURA - Intake Manifold Runner Control System Malfunction High RPM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Intake Manifold Runner Control (IMRC) Valve
  • IMRC Valve harness is open or shorted
  • IMRC Valve circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1078 Acura Description

Engine power is achieved by closing and opening the Intake Manifold Runner Control (IMRC) valve. When the valve is closed, there is high torque at low engine speed. When the valve is open, there is high torque a high engine speed.
OBDII Code P1078 Acura - Intake Manifold Runner Control System Malfunction High RPM -

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P1078 ACURA Comments

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