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 MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 475 (ENGINE CONTROLS - DESCRIPTION & OPERATION (DIESEL))ENGINE CONTROL COMPONENTSFUEL CONDITIONING MODULETYPICAL FUEL CONDITIONING MODULE (ALL OTHERS)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Typical Fuel Conditioning Module (All Others)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Typical Fuel Conditioning Module (All Others)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Number | Description |
|---|---|---|
| 1 | mdash | Fuel Return Line From The Secondary Fuel Filter |
| 2 | mdash | Thermostat Bypass Fuel Return Line To The Fuel Tank |
| 3 | mdash | Unfiltered Fuel Supply Line From The Fuel Tank |
| 4 | mdash | Filtered Fuel Return Line To The FP Assembly |
| 5 | mdash | Fuel Drain Valve |
| 6 | mdash | Water In Fuel (WIF) Sensor |
| 7 | mdash | Fuel Filter Cover |
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.