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P1506 2007 Ford Fusion Code - Idle Air Control Overspeed Error

- Code Popularity: 2,508 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1506 2007 Ford Fusion?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Idle Air Control (IAC) valve
  • IAC valve harness is open or shorted
  • IAC valve circuit poor electrical connection
  • Intake leaks
  • Stuck PCV Valve
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How to Fix the DTC P1506 2007 Ford Fusion?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

The P1506 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned.
Also, check for intake leaks or stuck PCV Valve.
If the problem persistss, the IAC valve may need to be replaced.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1506 2007 Ford Fusion code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The P1506 code sets when the Powertrain Control Module (PCM) detects an engine idle speed that is greater than the desired RPM.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1506 2007 Ford Fusion Description

The Idle Air Control Valve (IACV) valve assembly controls the engine idle speed and provides a dashpot function. The IAC valve assembly meters intake air around the throttle plate through a bypass within the IAC valve assembly and throttle body. The Powertrain Control Module (PCM) determines the desired idle speed or bypass air and signals the IAC valve assembly through a specified duty cycle. The IAC valve responds by positioning the IAC valve to control the amount of bypassed air. The PCM monitors engine RPM and increases or decreases the IAC duty cycle in order to achieve the desired RPM.

OBDII Code P1506 2007 Ford Fusion - Idle Air Control Overspeed Error - AutoCodes.com
P1506 2007 Ford Fusion Code - Idle Air Control Overspeed Error

Need More Information on the Code?

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Code P1506 2007 Ford Fusion comments

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