Honda P1077: Intake Manifold Tuning (IMT) Valve Stuck in High RPM Position

What Does The Honda P1077 Code Mean?

When the PCM sends a close (long runner) command, no long runner return signal is received for at least 7 seconds. Execution is once per drive cycle, engine speed, 3,600 rpm and intake air temperature a minimum of 5 ºF (-15 ºC).

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

What Are The Symptoms Of The Honda P1077 Code?

• Check engine light
• Low RPM

What Are The Potential Causes Of The Honda P1077 Code?

• Poor connections or loose terminals at the IMT actuator and the PCM
• “Open” circuitbetween the PCM and the IMT actuator
• Faulty IMT actuator
• PCM may need to be updated with the latest software
• Faulty PCM

How Can You Fix The Honda P1077 Code?

• Repair the blockage or vacuum leak
• Replace the IMT valve
• Replace the intake manifold
• Replace the IMT solenoid valve

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Honda PCM

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Check This Video For Reference

Reference Sources

• DTC Troubleshooting – MotoLogic, 2006 Honda CR-V
• Technical Service Bulletins – ALLDATA Repair, 2006 Honda Truck CR-V 4WD L4-2.4L