Not quite a probe. 93 Mazda 626 V6.
Mazda forums are pretty inactive, it appears this isn't.
hopefully you can help me out a little bit. Since it's the same motor. Among other things I guess. I'll get to the point.
My sister has a 93 626 V6 auto. It wouldn't start the other day. Put a new fuel filter on, it was a cheap guess. Started right up. So I was warming it up, making sure it was OK. I went through the distributor issue already, and didn't want to tow it again.
I walked out of the garage while it was running. When I came back less than 5 minutes later, it was knocking. Checked oil, not low. It's coming from the rear cylinder head. Sounds like cylinder 5, but hard to say for sure.
Is there any common weak point up there? Just looking for ideas before I tear in to it.
Almost forgot, it's got about 165k miles on it.
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