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 MANUALSCHEVROLET1994LUMINA BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - ADJUSTMENTSTHROTTLE POSITION (TP) SENSOR
1994 Chevrolet Lumina Base
Throttle Position (TP) Sensor
1994 Chevrolet Lumina BaseSECTION Throttle Position (TP) Sensor
NOTE:
TP sensor is not adjustable. For further testing procedures, refer to appropriate G - TESTS W/ CODES or I - SYS/COMP TESTS articles in the ENGINE PERFORMANCE section listed below.
- TESTS W/CODES - 3.1L
- TESTS W/CODES - 3.4L
- TESTS W/CODES - 3.8L
- SYSTEM/COMPONENT TESTS - 3.1L
- SYSTEM/COMPONENT TESTS - 3.4L
- SYSTEM/COMPONENT TESTS - 3.8L
TP SENSOR ADJUSTMENT VOLTAGE
| Application | (1) Volts | ||||
|---|---|---|---|---|---|
| 3.1L | (2) .50-4.80 | ||||
| 3.4L | (2) .20-4.00 | ||||
|
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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.