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. Valve Cover, Replace
    Removal 1. Loosen vent hose clamp at air cleaner resonator, air cleaner intake duct clamp at air cleaner outlet resonator. 2. Loosen air cleaner outlet resonator to throttle body clamp, located forward of accelerator cable bracket ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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