Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 91 Civic H/B Compression Test › 91 Civic H/B Compression Test January 6, 2012 at 11:00 am #440350 johnzcarzParticipant To me the leakdown test is just a diagnostic tool to pinpoint why there is bad compression. For instance, is it leaking out the intake or exhaust vales, etc. If your compression is good (which I think yours is), I don