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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (ENGINE CONTROLS - SYMPTOM CHARTS (DIESEL))NO DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART INDEX
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index
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.
DRIVEABILITY - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Starting Concerns | No Crank/Slow Crank | - | CHART NUMBER: 1 |
| Hard Start/Long Crank/Erratic Start/Erratic Crank | - | CHART NUMBER: 3 | |
| Stall After Start | - | CHART NUMBER: 3 | |
| No Start/Normal Crank | - | CHART NUMBER: 3 | |
| Unique Idle Concerns | Slow Return To Idle | - | CHART NUMBER: 4 |
| Rolling Idle | - | CHART NUMBER: 5 | |
| Fast Idle | - | CHART NUMBER: 4 | |
DRIVEABILITY - PERFORMANCE WHILE DRIVING CONCERNS - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Stalls/Quits | Idle | - | CHART NUMBER: 2 |
| Acceleration | - | CHART NUMBER: 2 | |
| Cruise | - | CHART NUMBER: 2 | |
| Deceleration | - | CHART NUMBER: 2 | |
| Runs Rough | Idle | - | CHART NUMBER: 5 |
| Acceleration | - | CHART NUMBER: 6 | |
| Cruise | - | CHART NUMBER: 6 | |
| Misses | Idle | - | CHART NUMBER: 6 |
| Acceleration | - | CHART NUMBER: 6 | |
| Cruise | - | CHART NUMBER: 6 | |
| Buck/Jerk | Acceleration | - | CHART NUMBER: 6 |
| Cruise | - | CHART NUMBER: 6 | |
| Deceleration | - | CHART NUMBER: 6 | |
| Hesitation/Stumble | Acceleration | - | CHART NUMBER: 6 |
| Surge | Acceleration | - | CHART NUMBER: 6 |
| Cruise | - | CHART NUMBER: 6 | |
| Lack/Loss of Power | Acceleration | - | CHART NUMBER: 6 |
| Cruise | - | CHART NUMBER: 6 | |
ADDITIONAL DRIVEABILITY CONCERNS - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number |
|---|---|---|
| Poor Fuel Economy | - | CHART NUMBER: 6 |
| Extended Idle Shutdown | - | CHART NUMBER: 14 |
| Regeneration Concerns | - | CHART NUMBER: 15 |
ELECTRICAL - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Warning Indicators | Malfunction Indicator Lamp (MIL) | - | CHART NUMBER: 7 |
| Powertrain Malfunction Indicator (Wrench) | - | CHART NUMBER: 7 | |
| Tow Haul | - | CHART NUMBER: 9 | |
DRIVELINE - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Automatic Transmission (A/T) Shift Concerns | A/T Upshift | - | CHART NUMBER: 10 |
| A/T Downshift | - | CHART NUMBER: 10 | |
| Engagement | - | CHART NUMBER: 10 | |
ENGINE - DTC PRESENT SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Oil System Concerns | Engine Oil Level Overfull | - | CHART NUMBER: 11 |
| High Oil Consumption | - | CHART NUMBER: 11 | |
| Leaks | - | CHART NUMBER: 11 | |
| Exhaust System Concerns | Visible Smoke (No Oil Consumption) | - | CHART NUMBER: 8 |
| Cooling System Concerns | Cooling Fan Does Not Operate | - | CHART NUMBER: 12 |
| Cooling Fan Always On | - | CHART NUMBER: 13 | |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.