Rings, piston, or cylinder walls. Next step is to do a leak-down test. (Or have one done by a mechanic if you don't know how to do one yourself.) That will tell you a lot more about where the leakage is. Leakage will most likely be into the crankcase in your case. -Joe Kuchan >From: doctorDHD@xxxxxxx >Reply-To: dmcnews@xxxxxxxxxxxxxxx >To: dmcnews@xxxxxxxxxxxxxxx >Subject: [DML] Re: Houston, I have a (compression) problem >Date: Tue, 28 Jun 2005 14:09:36 EDT > >As a follow up I put a few squirts of oil in the cylinder and the >compression >went from 45 to 90. > >I gues this means a ring or piston problem. > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/