P1077 - Intake Manifold Runner Control System Malfunction Low RPM
P1077 Possible Causes
- Faulty Intake Manifold Runner Control (IMRC) Valve
- IMRC Valve harness is open or shorted
- IMRC Valve circuit poor electrical connection
How is the P1077 code repair?Start by checking 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.
What is the cost to diagnose the P1077 code
Labor: 1.0The cost to diagnose the P1077 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
P1077 MeaningEngine 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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