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76 Posts
I've been readin' lots of posts on compression checking. CAn someone answer all of these at once: 1) Should engine be hot or cold ? 2)Should you hold the throttle open ? 3) Should you remove all plugs or just the plug from the cylinder you are testing(one at a time and replace) ? 4) I have also heard that you should keep the plugs grounded to prevent possible damage to the CDI box ?