View Poll Results: What was your psi?
Voters: 30. You may not vote on this poll
What's Your Compression?
#11
The compression numbers given in the FSM are for when the official MAZDA tester is used.
I am not too sure about these numbers when you use a regular compression tester (witch schrader valve out) from autozone or the likes.
hugues -
I am not too sure about these numbers when you use a regular compression tester (witch schrader valve out) from autozone or the likes.
hugues -
#20
first time I did a compression check on my 7 (6 months ago) I took out the leading plugs, grounded the leading coils, left the trailing plugs hooked up (wait, this gets better) screwed the ol compression tester into the L2 hole, had a rubberband holding the release valve on the tester, angled it in such a way that I could see it from the drivers seat, turned the key and the car started... no ****. ran like crap and sat at about 200rpms, but F%$# me man, it took a minute of disbelief before I shut her down again. had to buy a new compression tester though, wasnt sure if it'd still be good after that.