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 DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - PINPOINT TESTS (EXCEPT DIESEL & HYBRID) (A TO H)PINPOINT TESTS DV: THROTTLE BODY ASSEMBLY ELECTRONIC THROTTLE CONTROL (ETC)TEST 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
- DV1 CHECK FOR DTCS NOTE: If DTC P0068 is present, diagnose all other DTCs first.
Are DTCs P0068, P0120, P0121, P0122, P0123, P0124, P0221, P0222, P0223, P1124, P1584, P1588, P2100, P2101, P2107, P2109, P2111, P2112, P2118, P2119, P2135, P2163, P2176, U0606, U210F or U2110 present?
Yes No For DTC P0068, GO to DV3
For DTCs P1124, P2100 or P2107, GO to DV2
For all others, GO to DV5RETURN to Symptom Charts for further direction. - DV2 REPEAT THE KOEO OR KOER SELF-TEST NOTE: DTC P1124 will set if the accelerator pedal is applied during the self-test.
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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.