Chevrolet Cobalt Service & Repair Manual: Emission Controls

Engine Management

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General Motors Co.

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

See also:

Chevrolet Cobalt Owners Manual. Electric Power Management
This vehicle has Electric Power Management (EPM), an advanced control system. It estimates the battery's temperature and state of charge and then adjusts the voltage for best performance and extended life of the battery. When the battery's state of charge is low, the voltage is raised slightly ...