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 MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP2104 - THROTTLE ACTUATOR CONTROL SYSTEM - FORCED IDLE
2004 Ford Econoline E150, Van Cargo, 4.6 W
P2104 - Throttle Actuator Control System - Forced Idle
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION P2104 - Throttle Actuator Control System - Forced Idle
P2104 - THROTTLE ACTUATOR CONTROL SYSTEM - FORCED IDLE
| Description: | The throttle actuator control system is in the FMEM mode of forced idle. | ||
| Possible Causes: | - | ||
| Diagnostic Aids: | This DTC is an informational DTC and may be set in combination with a number of other DTCs which are causing the FMEM. Diagnose other DTCs first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to QE: Electronic Throttle Control (ETC) System STEP 1 | ||
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.