Measurement Procedure
WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
Check Compression for all cylinders:
- Start the engine (approx. 4 seconds).
- Compare the compression values.
Maximum pressure differential 100 kPa (14.5 psi)
NOTE:
Engine revs at least 300/min.