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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 746 (ENGINE CONTROLS - PINPOINT TESTS (DIESEL) - FAULT CODE INDEX, PINPOINT TESTS A - AN)PINPOINT TESTS AB: ENGINE OIL LEVEL OVERFULLTEST PROCEDURE
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD

Test Procedure

2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Test Procedure
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. AB1 CHECK THE ENGINE OIL LEVEL 
    • Check that the engine oil level is correct.

    Is the engine oil level correct? 

    Yes No
    RETURN to SYMPTOM CHARTS for further direction. GO to  AB2.
  2. AB2 CHECK THE ENGINE OIL MAINTENANCE INTERVALS 
    • Check the maintenance records for engine idle time, mileage and vehicle usage since the last engine oil change. Refer to the lube oil chart in the Service Information or Owner's Literature for the correct engine oil selection for temperature conditions.

    Is the engine oil maintenance up to date? 

    Yes No
    For Transit, GO to  AB3.
    For all others, GO to  AB4.    		 CHANGE the engine oil and oil filter.
  3. AB3 CHECK THE DPF_LOAD_PCT PID STATE 
    • Ignition ON, engine OFF.
    • Access the PCM and monitor the DPF_REGEN_PCT (PER) PID.

    Is the percentage 100% or greater? 

    Yes No
    GO to  AB4. ADVISE the customer of the vehicle operating conditions necessary for diesel particulate filter regeneration.
  4. AB4 CHECK FOR AFTERMARKET PERFORMANCE PRODUCTS 
    • Check for aftermarket exhaust accessories and performance modifications.

    Is a concern present? 

    Yes No
    RETURN the vehicle to original equipment manufacturer (OEM) components as necessary.
    ADVISE the customer of the conditions that cause incomplete regeneration events.    		 CHANGE the engine oil and oil filter.
    ADVISE the customer of the conditions that cause incomplete regeneration events.
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.