Chevrolet Cobalt Service & Repair Manual: Emission Controls

Engine Management

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General Motors Co.

FIG. NO. BUICK: EVAP System & Canister: Centu ...

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Chevrolet Cobalt Service & Repair Manual. Electrical System, Inspection
A visual inspection must always be performed to confirm the presence of aftermarket components, potential collision damage, or areas of concern. Ensure battery voltage is greater than 12 volts prior to and during pinpoint test. Caution: Do not have a batt ...