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Common cause is valve cover gaskets leaking oil into the spark plug holes. Remove plugs & check for oil residue around the plug & wire. You may find problem one just one bank or both. Removing plugs will drain the oil temporarily but it most likely will continue until valve cover gaskets are replace,
What else can I help you with?
What is Mazda 626 obd code P0303?
Trouble code P0303 means: Cylinder 3 Misfire Detected
Why does a check engine light blink on a 1998 Mazda 626?
If the check engine light is blinking , an engine cylinder misfire has been detected
Will a bad thermostat cause a mazdA 626 to run hot?
Yes It Can.
Will a 1997 Mazda 626 transmission interchange with a 1999 Mazda 626 transmission?
will a 1997 Mazda 626 transmission or engine interchange with a 1999-2002 Mazda 626 transmission or engine
How many belts are on Mazda 626?
how many belts are in mazda 626
Why does your Mazda 626 not start when it still has spark?
could be fuel starvation
Why is a Mazda 626 check engine light flashing?
A flashing check engine light is an indication of a misfire. See related question below for more information.
What does it means when the check engine light flashes on a '97 mazda 626 6 cylindres?
It means Cylinder misfire. Stop driving this car until you can have this repaired.
Mazda 626 1998?
how do i troubleshoot my 1998 Mazda 626 distributerless no spark
Will the 3.0L Mazda MPV fit in a 2002 Mazda 626?
Can a Mazda 626 engine fit in a Mazda MPV mini van?
What kind of refrigerant for 2002 Mazda 626?
all I want to know is what kind of refrigerant for 2002 Mazda 626
How do I get a Replacement key for Mazda 1998 626?
How do I get a replacement key for 2000 mazda 626?
