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. 2005-10 Cobalt
    After changing engine oil, Engine Oil Life System must be reset as follows: 1. Turn ignition to RUN, with engine off. 2. Press information and reset buttons on DIC at same time to enter personalization menu. ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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