Intake Manifold Runner Control System Malfunction High RPM
Table of contents
P1078 ACURA Possible Causes
- Faulty Intake Manifold Runner Control (IMRC) Valve
- IMRC Valve harness is open or shorted
- IMRC Valve circuit poor electrical connection
How do I fix code P1078 ACURA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1078 ACURA code
The cost of diagnosing the P1078 ACURA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- 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.