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HOMESERVICE MANUALSCHEVROLET1982CHEVETTE BASE, 2D HATCHBACK, 1.6L ENG VIN C, STANDARD TRANS, TRANS MFR CD MY1REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSCOMPUTER COMMAND CONTROLOPERATIONDATA SENSORSOXYGEN SENSOR
1982 Chevrolet Chevette Base, 2D Hatchback, 1.6L Eng VIN C, Standard Trans, Trans Mfr CD MY1

Oxygen Sensor

1982 Chevrolet Chevette Base, 2D Hatchback, 1.6L Eng VIN C, Standard Trans, Trans Mfr CD MY1SECTION Oxygen Sensor

This sensor is mounted in engine exhaust stream. It supplies a low voltage (under 1/2 volt) when fuel mixture is lean (too much oxygen) and a higher voltage (up to 1 volt) when fuel mixture is rich (not enough oxygen). Oxygen sensor must be hot (over 600°F) to function properly. The oxygen sensor measures quantity of oxygen only. On some models, oxygen sensor may cool off during idle, causing CCC system to go into open loop mode. Running the engine at fast idle will warm up oxygen sensor.

NOTE: No attempt should be made to measure oxygen sensor voltage output. Current drain of conventional voltmeter could permanently damage sensor, shift sensor calibration range and/or render sensor unusable. Do not connect jumper wire, test leads or other electrical connectors to sensor. Use these devices only on ECM side of harness after disconnecting from sensor.
RENDER: 1.0x

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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.