Engine-Codes - Generic - P1078

P1078 Code - Intake Manifold Runner Control System Malfunction High RPM

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

|P1078 code 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 P1078 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 P1078 code

Labor: 1.0

The cost to diagnose the P1078 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.

|What are P1078 code possible symptoms?

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

|What is P1078 code meaning?

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 with the P1078 code?

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|P1078 code information for specific makes

  • P1078 ACURA Intake Manifold Runner Control System Malfunction High RPM  📷
  • P1078 BMW VVT Overload Protection Control Motor Current High Input Bank 1
  • P1078 HONDA Intake Manifold Runner Control System Malfunction High RPM  📷
  • P1078 INFINITI Exhaust Valve Timing Control Position Sensor Bank 1 Circuit
  • P1078 MINI VVT Overload Protection Control Motor Current High Input Bank 1
  • P1078 NISSAN Exhaust Valve Timing Control Position Sensor Bank 1 Circuit

|Need help with a P1078 code?

Get the P1078 code diagnosed by a professional: Find a repair shop in your area