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 MANUALSCHEVROLET1994G 20 VAN V6-262 4.3L VIN ZREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTS
1994 Chevrolet G 20 Van V6-262 4.3L VIN Z
Throttle Position Sensor: Adjustments
1994 Chevrolet G 20 Van V6-262 4.3L VIN ZSECTION Adjustments
The Throttle Position Sensor (TPS) is not adjustable. With the ignition "ON" and the engine stopped, the TPS voltage should be less than 0.85 volts. If more than 0.85 volts, the TPS must be replaced.
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.