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 MANUALSFORD2018F-450 SUPER DUTY LARIAT, 4D PICKUP CREW CAB, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSELECTRONIC ENGINE CONTROLS - 6.7L POWER STROKE DIESELGENERAL PROCEDURESENGINE IDLE SHUTDOWN DISABLE
2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WD
Engine Idle Shutdown Disable
2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WDSECTION Engine Idle Shutdown Disable
For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .
Activation
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NOTE: For vehicles equipped with an engine idle shutdown system, the system automatically shuts down the engine when it has been idling in P (Park) or N (Neutral) for five minutes (parking brake set) or 15 minutes (parking brake not set).
Using a scan tool, follow the on-screen instructions for Engine Idle Shutdown Disable under Programmable Parameters.
RENDER: 1.0x
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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.