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where is my spark plugs located. i beleive they need to be changed on 2002 Mazda 626

my diagnostic codes are po304 and po316.

Asked by for the 2002 Mazda 626
misfire could be cause by several issue not only plugs seek a diag and est as not to waste $
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3 more answers
SAVE YOURSELF THE HEADACHE AND LET A MECHANIC DO THIS ONE. CAUSE IF YOU DON'T KNOW WHERE THE PLUGS ARE YOU SHOULD NOT TRY TO CHANGE THEM!
Please post returned codes , after spark plug replacement.
Your spark plugs are located under the ignition wire on both sides of the engine...they should be fairly easy to replace.