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 MANUALSCHEVROLET1995CAVALIER LS, 4D SEDAN, 2.2 4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4 (ENGINE CONTROLS - TESTS W/CODES - 4.6L)PCM CODE CHARTSCODE P017, FRONT OXYGEN SENSOR NOT READYACTION
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4
Code P017, Front Oxygen Sensor Not Ready: Action
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4SECTION Action
WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
PCM turns on MIL. PCM enables canister purge solenoid if Code P013 is also set. Closed loop operation is disabled.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Voltage on PCM data parameter PD32 should fluctuate from greater than 0.6 volt to less than 0.3 volt. If voltage remains at greater than 0.6 volt, check circuit No. 412 for a short to voltage. If voltage remains at less than 0.3 volt, check circuit No. 412 for a short to ground.
- Measuring voltage using a voltmeter will isolate a sensor/wiring problem from a PCM problem. If voltage fluctuates at greater than 0.6 volt and less than 0.3 volt, PCM is faulty. If voltage remains at less than 0.3 volt, check circuit No. 412 for a short to ground or circuit No. 413 for a short to voltage. If voltage remains greater than 0.6 volt, check circuit No. 412 for short to voltage. If voltage remains 0.3-0.6 volt, check circuits No. 412 and 413 for an open.
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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.