Mechanics

CHANGING SPARK PLUGS ON

2004 Mazda MPV • 2WD Automatic • 100,900 miles

I need to change the spark plugs on 2004 mazda mpv 3.0 engine what all has to be removed to change the ones in back.I have code po303 #3 misfire. Also code p0660 intake manifold tuning valve control circuit open bank 1a what would cause this code? Hope someone can help I can't find a repair manual for this van. Thanks
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Rsawyers
February 12, 2011.



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