Chevrolet Cobalt Service & Repair Manual: Idle Speed & Mixture Adjustments

Idle speed is controlled by the ECM/PCM. No adjustment is required.

Curb Idle Speed

Curb idle speed is controlled by the ECM/PCM. No adjustment is required.

Fast Idle Speed

Fast idle speed is controlled by the ECM/PCM. No adjustment is required.

Mixture

Fuel mixture is controlled by the ECM/PCM and is not adjustable.
    Compression Pressures
    1. Ensure engine is at room temperature and battery is fully charged. 2. Disconnect wiring from ignition module and remove spark pl ...

    Fuel Injection
    ...

    See also:

    Chevrolet Cobalt Owners Manual. Traction Control System (TCS)
    The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. - To turn off traction control, press and release on the instrument panel. illuminates and the appropriate DIC message displays. See DIC Warnings and Messages. - Press and ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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