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 MANUALSSATURN1998SC1 L4-1.9L SOHC VIN 8REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORSERVICE AND REPAIR
1998 Saturn SC1 L4-1.9L SOHC VIN 8
Throttle Position Sensor: Service and Repair
1998 Saturn SC1 L4-1.9L SOHC VIN 8SECTION Service and Repair
Throttle Position Sensor On Side Of Throttle Body:
REMOVAL
NOTE: The TP sensor is an electrical component, and must not be soaked in any liquid solvent; otherwise damage could result.
1. Remove Throttle body.
5. Remove TP sensor screws and assembly from throttle body.
INSTALLATION
1. Clean O-ring sealing surfaces and throttle body.
2. Install O-ring to Throttle Position (TP) sensor.
3. With Throttle Body closed, install Throttle Position (TP) sensor over throttle shaft. Install TP at a slight counter-clockwise angle to mounting holes. Rotate TP sensor clockwise to seat alignment pin and to align mounting holes.
4. Apply Loctite (R) 242 Threadlocker (P/N 21485277) or equivalent to the attaching screws threads.
Torque
Mounting screws to 2 NM (18 in. lbs).
5. Install Throttle Body to intake manifold.
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.