B2600 not firing on #4 and oil soaked plug

Asked by 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

145

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

Your Answer:

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