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 MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Throttle Position Sensor: Service and Repair
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Service and Repair
REMOVAL PROCEDURE
1. Remove the electrical connector by releasing the locking tab.
2. Remove the 2 TP sensor attaching screw assemblies.
NOTE: The TP sensor is an electrical component. Do not soak it in any liquid cleaner or solvent because damage may result.
3. Remove the TP sensor from the throttle body assembly.
INSTALLATION PROCEDURE
1. With the throttle valve closed, install the TP sensor on the throttle shaft. Rotate counterclockwise in order to align the mounting holes.
2. Install the 2 TP sensor attaching screw assemblies. Tighten the screw assemblies to 2.0 Nm (18.0 lb. in.).
3. Install the electrical connector.
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.