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 MANUALSCHEVROLET2005BLAZER 4WD V6-4.3L VIN XREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
2005 Chevrolet Blazer 4WD V6-4.3L VIN X
Throttle Position Sensor: Service and Repair
2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the throttle body.
2. Remove the mounting screws from the throttle position (TP) sensor.
3. Remove the TP sensor from the throttle body assembly.
NOTE: The TP sensor is an electrical component. Do not soak the TP sensor in any liquid cleaner or solvent as damage may result.
INSTALLATION PROCEDURE
1. Place the TP sensor over the throttle shaft and align the TP mounting holes with their corresponding holes in the throttle body assembly.
2. Install the TP sensor mounting screws.
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: The screws used to attach the TP sensor are coated with thread locking adhesive. Clean the attaching screw threads and apply thread locking material GM P/N 1052624 or equivalent.
Tighten the screws to 2 N.m (18 lb in).
3. Install the throttle body.
4. Connect the TP sensor harness 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.