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)DIAGNOSTIC PARAMETERSPCM SPECIFIC INPUT CODESPI87: LOW ENGINE COOLANT LEVEL SWITCH
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4
PI87: Low Engine Coolant Level Switch
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4SECTION PI87: Low Engine Coolant Level Switch
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.
This input comes to PCM terminal No. 1B16. PI87 should be HI with sufficient coolant in the coolant overflow bottle and LO with coolant level.
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.