Acura P1077: Intake Manifold Tuning (IMT) Valve Stuck in High RPM Position
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Acura P1077: Intake Manifold Tuning (IMT) Valve Stuck in High RPM Position
OVERVIEWWhat Does The Acura 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 Potential Causes Of The Acura 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
Reference Sources
Acura P1077, DTCDECODE.
