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 MANUALSCHEVROLET1992CAPRICE WAGON RWD V6-262 4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
1992 Chevrolet Caprice Wagon RWD V6-262 4.3L
Throttle Position Sensor: Service and Repair
1992 Chevrolet Caprice Wagon RWD V6-262 4.3LSECTION Service and Repair
NOTE: The throttle position sensor is a component of the Computerized Engine Control System, for diagnosis and testing procedures see COMPUTERIZED ENGINE CONTROLS.
Throttle Body Assembly (Typical):
REMOVAL:
1. Disconnect the electrical connector.
2. Remove TPS attaching screws and retainers.
3. Remove the throttle position sensor.
CAUTION: The TPS is an electrical component and must not be soaked in any liquid cleaner or solvent, as damage may result.
INSTALLATION:
1. With the throttle valve in the closed position, install the throttle position sensor on the throttle body assembly, making sure the TPS lever lines up with the TPS drive lever on the throttle shaft.
2. Install the retainers and TPS attaching screws, finger tighten only.
3. TPS adjustment procedure:
a. Connect a SCAN tool to the ALDL connector.
b. Turn the ignition switch ON.
c. Select TPS voltage display on the SCAN tool, and compare voltage against specification.
d. Tighten attaching screws to 2.0 N-m (18 lb.in.)
e. Recheck TPS voltage.
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.