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 MANUALSCHEVROLET1982CHEVETTE L4-98 1.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORDESCRIPTION AND OPERATION
1982 Chevrolet Chevette L4-98 1.6L
Throttle Position Sensor: Description and Operation
1982 Chevrolet Chevette L4-98 1.6LSECTION Description and Operation
Sensor--mounted on the carburetor body and actuated by the accelerator pump lever or a cam on the throttle shaft--sends a varying DC voltage signal to the ECM representing throttle position.
- When the throttle plates are closed sensor output is less than 1.0 Volts.
- As plates are opened sensor voltage rises to a maximum of 5 volts.
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.