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Acura DTC

Acura DTC P1077

Manufacture

Acura DTC

Code

P1077

Definition

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

Description

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.

Cause

  • Poor connections or loose terminals at the IMT actuator and the PCMOpen circuitbetween the PCM and the IMT actuatorFaulty IMT actuatorPCM may need to be updated with the latest softwareFaulty PCM

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