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 MANUALSCHEVROLET2003MONTE CARLO V6-3.4L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
2003 Chevrolet Monte Carlo V6-3.4L VIN E
Throttle Position Sensor: Service and Repair
2003 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Service and Repair
REMOVAL PROCEDURE
1. Disconnect the fuel lines.
2. Disconnect the throttle position (TP) sensor electrical connector.
3. Remove the 2 TP sensor screws.
4. Remove the TP sensor and the O-ring.
INSTALLATION PROCEDURE
1. Install the TP sensor O-ring to the TP sensor.
2. Install the TP sensor.
3. Apply a thread-locking compound to the TP sensor screws. Loctite(r) 262, GM P/N 12345493, (Canadian P/N 10953488) or equivalent should be used.
4. Install the 2 TP sensor screws.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 2 N.m (18 lb in).
5. Connect the TP sensor electrical connector.
6. Connect the fuel lines.
1. Disconnect the fuel lines.
2. Disconnect the throttle position (TP) sensor electrical connector.
3. Remove the 2 TP sensor screws.
4. Remove the TP sensor and the O-ring.
INSTALLATION PROCEDURE
1. Install the TP sensor O-ring to the TP sensor.
2. Install the TP sensor.
3. Apply a thread-locking compound to the TP sensor screws. Loctite(r) 262, GM P/N 12345493, (Canadian P/N 10953488) or equivalent should be used.
4. Install the 2 TP sensor screws.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 2 N.m (18 lb in).
5. Connect the TP sensor electrical connector.
6. Connect the fuel lines.
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.