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. Dome Lamp
    The vehicle may have a dome lamp. Move the lever to the following positions: (Off): Turns the lamp off, even when a door is opened. (Door): Turns the lamp on whenever a door is opened. (On): Turns the dome lamp on. ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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