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 MANUALSCHEVROLET1987S10/T10 P/U 4WD V6-173 2.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
1987 Chevrolet S10/T10 P/U 4WD V6-173 2.8L
Throttle Position Sensor: Service and Repair
1987 Chevrolet S10/T10 P/U 4WD V6-173 2.8LSECTION Service and Repair
1. Disconnect TPS electrical connector.
2. Remove two TPS attaching screws, lockwashers and retainers.
3. If equipped, remove screw attaching TPS actuator lever to end of throttle.
4. Remove TPS.
5. With throttle valve(s) in normal closed idle position, install TPS. Ensure TPS pickup lever is located above tang on throttle actuator lever.
6. Apply suitable thread locking compound to screw threads, then install retainers, lockwashers and screws. Adjust TPS. Refer to "THROTTLE POSITION SENSOR (TPS), ADJUST" for procedure.
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.