| 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
Fuel InjectionChevrolet Cobalt Owners Manual. Filling the Tank
WARNING:
Fuel vapor burns violently and a fuel fire can
cause bad injuries. To help avoid injuries to you
and others, read and follow all the instructions
on the fuel pump island. Turn off the engine
when refueling. Do not smoke near fuel or when
refueling the vehicle. Do not use cellular phon ...