ranger1 said:Ya I only have a compression tester, maybe I should bring it to my dealer to have a leak down test done on it. I will try the ring free for a tank or two first.Mooseman said:If after a while you redo the compression test and it's still low, you should do a leakdown test to find out where it's losing it. It will give you a better result of the overall health of your engine and pinpoint where it's leaking.