P1506 – Ford DTC

Ford DTC P1506 – Idle Air Control Over Speed Error

DTC P1506 meaning on Ford

DTC P1506 for Ford refers to an Idle Air Control (IAC) Over Speed Error. This diagnostic trouble code indicates that the engine’s idle speed is higher than expected, potentially due to issues with the idle air control system.

Ford DTC P1506 symptoms

  • High idle speed
  • Engine stalling at idle
  • Surging or fluctuating idle speed
  • Possible check engine light illumination

Ford DTC P1506 causes

  • Dirty or faulty idle air control valve
  • Vacuum leaks in the intake system
  • Throttle body issues
  • Electrical problems in the IAC circuit

Ford DTC P1506 seriousness

The DTC P1506 code may lead to drivability issues such as stalling or rough idling. While it may not cause immediate harm to the engine, it can affect the vehicle’s performance and fuel efficiency.

How to diagnose DTC P1506 on Ford

  1. Check for vacuum leaks in the intake system
  2. Inspect the idle air control valve for dirt or malfunction
  3. Test the throttle body for proper operation
  4. Scan the vehicle’s computer for any related trouble codes

How to fix DTC P1506 on Ford

  1. Clean or replace the idle air control valve
  2. Repair any vacuum leaks in the intake system
  3. Inspect and clean the throttle body
  4. Check and repair any electrical issues in the IAC circuit

How to erase DTC P1506 on Ford

To clear the DTC P1506 code on a Ford vehicle, you can use an OBD-II scanner to reset the trouble codes. After addressing the underlying issue causing the code, clearing the code will turn off the check engine light.

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