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 MANUALSFORD1994F 150 4WD PICKUP V8-351 5.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
1994 Ford F 150 4WD Pickup V8-351 5.8L
Throttle Position Sensor: Service and Repair
1994 Ford F 150 4WD Pickup V8-351 5.8LSECTION Service and Repair
Throttle Position Sensor:
REMOVAL
1. Disconnect negative battery cable.
2. Disconnect Throttle Position (TP) sensor from wiring harness.
3. If reusing TP sensor scribe alignment marks to position when reinstalling.
4. Remove two retaining screws.
5. Remove throttle position sensor.
INSTALLATION
CAUTION: Slide rotary tangs into position over throttle shaft blade, then rotate throttle position sensor CLOCKWISE ONLY to installed position. Failure to install the throttle position sensor in this manner may result in excessive idle speeds.
1. Position the throttle position sensor so that the connector points opposite the Idle Air Control (IAC) solenoid. Then rotate throttle position sensor clockwise to align scribe marks.
2. Secure throttle position sensor to throttle body with two retaining screws. Tighten to tighten to 1.2-1.8 Nm (10.6-16 in lb).
3. Connect electrical connector to harness.
4. Reconnect negative battery cable.
NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.
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.