Chevrolet Cobalt Service & Repair Manual: Engine Management

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Initialization Sequence The EBCM performs one initialization test each ignition cycle. The initialization of the EBCM occurs when the EBCM detects the there is a minimum of 500 RPM fro ...

Emission Controls

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Chevrolet Cobalt Owners Manual. Sensing System for Passenger Airbag
The passenger sensing system, if equipped, will turn off the right front passenger frontal airbag under certain conditions. The driver airbags and roof-rail airbags are not affected by this. If the vehicle has a passenger sensing system, the passenger airbag status indicator will be visible on ...