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 P032, OPEN MAP SENSOR CIRCUITNOTES
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4
Code P032, Open Map Sensor Circuit: Notes
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4SECTION Notes
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.
MAP sensor changes resistance based upon manifold vacuum. PCM provides a 5-volt reference and ground. MAP signal varies between zero and 5 volts as manifold vacuum varies. Code P032 sets when PCM detects MAP sensor signal is too low.
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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.