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 MANUALSSATURN2000LS2 V6-3.0L VIN RREPAIR AND DIAGNOSISCRUISE CONTROLDESCRIPTION AND OPERATIONTHROTTLE POSITION (TP) SENSOR
2000 Saturn LS2 V6-3.0L VIN R
Throttle Position (TP) Sensor
2000 Saturn LS2 V6-3.0L VIN RSECTION Throttle Position (TP) Sensor
The Throttle Position (TP) sensor is mounted on the throttle body assembly. The sensor is comprised of two potentiometers with common supply and ground circuits, and independent signal circuits. As the throttle opens, the signal wire on sensor 1 reads a higher voltage, and the voltage on signal wire for sensor 2 decreases. This is used as a feedback device to allow the ECM to compare the throttle body's present location to where it is commanded to be.
This sensor is also used with the throttle motor to correctly position the throttle butterfly to maintain the vehicle speed commanded by the cruise control input. An error with the TPS system will disable cruise operation.
This sensor is also used with the throttle motor to correctly position the throttle butterfly to maintain the vehicle speed commanded by the cruise control input. An error with the TPS system will disable cruise operation.
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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.