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 MANUALSCHEVROLET2001ASTRO VAN L AWD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
2001 Chevrolet Astro Van L AWD V6-4.3L VIN W
Throttle Position Sensor: Service and Repair
2001 Chevrolet Astro Van L AWD V6-4.3L VIN WSECTION Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the engine cover.
2. Disconnect the throttle position (TP) sensor harness connector.
3. Remove the mounting bolts from the TP sensor.
NOTE: The TP sensor is an electrical component. Do not soak the TP sensor in any liquid cleaner or solvent, as damage may result.
4. Remove the TP sensor and gasket from the throttle body assembly.
INSTALLATION PROCEDURE
1. With the throttle valve closed, install the TP sensor on the throttle shaft.
Rotate the TP sensor counterclockwise in order to align the mounting holes.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the TP sensor mounting bolts.
Tighten
Tighten the bolts to 2 N.m (18 lb in).
3. Connect the TP sensor harness connector.
4. Install the engine cover.
REMOVAL PROCEDURE
1. Remove the engine cover.
2. Disconnect the throttle position (TP) sensor harness connector.
3. Remove the mounting bolts from the TP sensor.
NOTE: The TP sensor is an electrical component. Do not soak the TP sensor in any liquid cleaner or solvent, as damage may result.
4. Remove the TP sensor and gasket from the throttle body assembly.
INSTALLATION PROCEDURE
1. With the throttle valve closed, install the TP sensor on the throttle shaft.
Rotate the TP sensor counterclockwise in order to align the mounting holes.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the TP sensor mounting bolts.
Tighten
Tighten the bolts to 2 N.m (18 lb in).
3. Connect the TP sensor harness connector.
4. Install the engine cover.
RENDER: 1.0x
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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.