B2600 not firing on #4 and oil soaked plug

Asked by Bww1948 Aug 29, 2019 at 04:51 AM about the 1992 Mazda B-Series

Question type: Maintenance & Repair

Sometimes it runs smooth but most it starts to
miss. Pull plugs and #4 is soaked. I have replaced
the lifters, new plugs, wires, distributor cap and all
and it is still doing the same thing. Any ideas? I
thought maybe a stuck valve or bad guide?

1 Answer
355

Beau answered 5 years ago

Can be many things. Oil is getting past the piston rings most likely and soaking the plug. If that's what's soaking it.

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