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 MANUALSCHEVROLET1987NOVA BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFEEDBACK CARBURETOR CEC SYSTEMDESCRIPTION
1987 Chevrolet Nova Base, 4D Sedan, Automatic
Feedback Carburetor CEC System: Description
1987 Chevrolet Nova Base, 4D Sedan, AutomaticSECTION Description
On 1987 Chevrolet Nova models the following systems are controlled by the Electronic Control Module (ECM) to control exhaust gas emissions:
- Fuel Evaporative Emission Control (EVAP) System
- Carburetor Feedback System
- Deceleration Fuel Cut-Off System
- Cold Mixture Heater (CMH)
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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.