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 MANUALSFORD1994RANGER 2WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORSERVICE AND REPAIR
1994 Ford Ranger 2WD L4-140 2.3L SOHC
Air Flow Meter/Sensor: Service and Repair
1994 Ford Ranger 2WD L4-140 2.3L SOHCSECTION Service and Repair
Mass Air Flow Sensor:
REMOVAL
1. Loosen air cleaner outlet tube clamp at Mass Air Flow Sensor (MAF) and remove tube from sensor.
2. Disconnect electrical connector to MAF sensor.
3. Remove four retaining nuts.
4. Remove MAF sensor and discard old gasket.
INSTALLATION
1. Clean sealing surfaces of engine air cleaner and MAF sensor of old gasket material.
2. Position MAF sensor and new gasket to air cleaner cover aligning bolt holes.
3. Install four retaining nuts. Tighten to 10 Nm (7 ft lb).
4. Install air cleaner outlet tube (9B659) to MAF sensor. Tighten retaining clamp to 2-3 Nm (18-27 in lb).
5. Connect electrical connector to MAF sensor.
6. Start engine and check for air leaks and correct sensor operation.
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.