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 PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP0104: MASS OR VOLUME AIR FLOW A CIRCUIT INTERMITTENT/ERRATIC
2004 Ford Econoline E150, Van Cargo, 4.6 W
P0104: Mass Or Volume Air Flow A Circuit Intermittent/Erratic
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION P0104: Mass Or Volume Air Flow A Circuit Intermittent/Erratic
P0104 - MASS OR VOLUME AIR FLOW A CIRCUIT INTERMITTENT/ERRATIC
| Description: | A fault exists in the mass air flow (MAF) A circuit, or the air tube containing the sensor, causing an incorrect air flow reading. | ||
| Possible Causes: | Intermittent circuit A open or short. Air leaks in the tube from the MAF sensor to the throttle body. | ||
| Diagnostic Aids: | VERIFY the integrity of the Mass Air Flow Sensor circuit A, for intermittent fault. CHECK the Mass Air Flow Sensor tube for air leaks. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | GO to PINPOINT TEST DC: MASS AIR FLOW SENSOR Step 4. | GO to PINPOINT TEST DC: MASS AIR FLOW SENSOR Step 1. |
RENDER: 1.0x
NO RELATED
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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.