Chevrolet Cobalt Service & Repair Manual: Automatic Temperature Control Diagnosis & Testing

Air Conditioning & Heater

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ATC Diagnosis & Testing

Accessing Diagnostic Trouble Codes Connect suitably programmed scan tool to the Data Link Connector (DLC) and follow manufacturer's instructions. Clearing Diagnostic Trouble Code ...

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Chevrolet Cobalt Owners Manual. California Fuel
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is not available in states adopting California emissions standards, the vehicle will operate satisfa ...