low compression

Mazda speed3 low compression on cylinder 3. Here for some insight. So, last summer, my k04 shit the bed at 60,000 miles. After a couple seasons of tuning & a summer of meth injection. After the K04 let go, I knew I had an issue and parked the car for the year, now a year afterwards. The car...

2006 mazdaspeed 6 121,000 miles fully bolted minus turbo. I noticed I’m losing about a quart of oil every 1,000 miles or so. Compression is 180 165 155 170. I haven’t for sure figured the oil loss and compression is related I do have a few leaks and no catch can and never replaced the pcv. My...

Hello all, Long time member, but I've been inactive for the last while. I came into the hobby not knowing anything, still don't know much. With the help of friends (@Awafrican) and this forum, I rescued (a shop rebuilt the engine) a 07 MS3 with blown o rings and a gouge in cylinder 3, and...

Cel misfire in cylinder 3. I pulled the new plugs found some oil on them then ran a compression test. 180/90/0/180. The first test for Cylinder 2 was 120 then I retested and it dropped to 90. Cylinder 3s tests started with 0 and stayed at 0. I noticed oil in the plug holes as well.