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 Service & Repair Manual. Headlamp Alignment, Adjust
    Visual Aim Headlamp aim should be inspected when a new headlamp capsule is installed, or if service or repairs to the front end area have, or may have, disturbed the headlamps or their mounting. The area should consist of a level surface large enough to allow for a v ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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