P1078 Honda - Intake Manifold Runner Control System Malfunction High RPM
Repair Importance Level:
Repair Difficulty Level:
- Faulty Intake Manifold Runner Control (IMRC) Valve
- IMRC Valve harness is open or shorted
- IMRC Valve circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1078 Honda 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.
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