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 PERFORMANCESYSTEMENGINE CONTROLS - DIAGNOSTIC METHODS (DIESEL)DRIVE CYCLESDRIVE CYCLE PROCEDUREDRIVE CYCLE PROCEDURE - ALL OTHERS
2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WD
Drive Cycle Procedure - All Others
2018 Ford F-450 Super Duty Lariat, 4D Pickup Crew Cab, 4WDSECTION Drive Cycle Procedure - All Others
NOTE:
The drive cycle requires that the vehicle has been driven for 12, 070 km (7, 500 mi) or that the EGT12 temperature has been greater than 550°C (1, 022°F) for a minimum of 120 minutes for some monitors to run and complete at hot idle.
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.