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. |
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 ...