This section provides a brief overview about some of the important features that may or may not be on your specific vehicle.
For more detailed information, refer to each of the features which can be found later in this owner manual.
Chevrolet Cobalt Service & Repair Manual. Compression Pressure
When inspecting cylinder compression,
the engine should be at room temperature, the throttle should be open, the
spark plugs removed and the battery at full charge. The lowest reading cylinder
should not be less than 70% of the highest and no cylinder reading should
be less th ...