You can do a cylinder leakdown test or compression test on every cylinder. A cylinder leakdown test would be the best option since it will tell you where the leak is, but not everybody has an air compressor and a tester at home.
If you want, you can do a compression test and if you see a cylinder that is really low, chances are, that's where the gasket has failed and is leaking compression.
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Monday, February 16th, 2009 AT 2:35 PM