Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (DIESEL))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P0506 - IDLE CONTROL SYSTEM - RPM LOWER THAN EXPECTED
2021 Ford Edge SE, 4WD
DTC P0506 - Idle Control System - Rpm Lower Than Expected
2021 Ford Edge SE, 4WDSECTION DTC P0506 - Idle Control System - Rpm Lower Than Expected
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P0506 - IDLE CONTROL SYSTEM - RPM LOWER THAN EXPECTED
| Description: | This DTC sets when the engine idle speed is less than the desired engine idle speed or the actual engine idle speed is greater than 100 revolutions per minute (RPM) below the desired RPM for greater than 5 seconds. | ||
| Possible Causes: |
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| Diagnostic Aids: | This DTC is informational only and it may be accompanied by other DTCs. Diagnose the other DTCs first. If other DTCs are not present, inspect the entire intake air system for restrictions, vacuum leaks, and damage. Repair as necessary. If no concerns are found, clear the DTCs. Repeat the self test. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.