Spark plugs

LAURA JACKSON

MEMBER
MAZDA PROTEGE

MY SPARK PLUGS KEEPING GOING BAD. I REPLACE THEM AND THEY HAVE OIL OR ARE BLACK. WHAT CAUSES THIS?
1994 MAZDA PROTEGE 1.8L DOHC 110,000MILES

Do you

have the same problem?

Yes

No

Monday, April 9th, 2007 AT 2:25 PM

1 Reply

RASMATAZ

MEMBER

What kind of tune up parts did you replaced? Oil on the sparkplug can be a ring/valve seal/valve problem etc.

Did you check the ignition timing?

When it refuses to start check for spark and comeback.

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