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 pins.
The cost to diagnose the P1077 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
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.
Need more information on how to fix the P1077 code? Get Access to Factory Service Manuals
Get the P1077 code diagnosed by a professional: Find a repair shop in your area