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Acura DTC

Acura DTC P0506

Manufacture

Acura DTC

Code

P0506

Definition

Idle Control System RPM Lower Than Expected

Description

The execution time is once per driving cycle and the duration time is 20 seconds or more. Throttle fully closed, fuel trim 0.75-1.47, intake air temperature 19 ºF (-7 ºC) and battery voltage 10.5 or more. If the actual idle speed varies beyond a specified value from the target speed over a certain period of time, the PCM detects a malfunction. The actual idle speed is at least 100 rpm less than the target idle speed for at least 20 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Dirt, carbon, or damage in the throttle boreDamaged air cleaner elementIncorrect DATA LIST parameter conditions Poor connections or loose terminals at the throttle body and the PCMFaulty throttle bodyPCM may need to be updated with the latest softwareFaulty PCM

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