Engine-Codes - Honda - P1078 Honda

P1078 Honda Code - Intake Manifold Runner Control System Malfunction High RPM

- Code Popularity: 80,050 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P1078 Honda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Intake Manifold Runner Control (IMRC) Valve
  • IMRC Valve harness is open or shorted
  • IMRC Valve circuit poor electrical connection
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How to Fix the DTC P1078 Honda?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1078 Honda 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.

What are Code Possible Symptoms?

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

What Does the P1078 Honda Code Mean?

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.

P1078 Honda Code - Intake Manifold Runner Control System Malfunction High RPM

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