2004 Mazda MPV Questions

2004 Mazda MPV Is the thread Pitch ever different on spark plugs from different manufacturers (like Motocraft vs Denso)?	1
2004 Mazda MPV Do i need to still need to set the gap on a spark plug even if the Mf states Do Not set gap?	1
2004 Mazda MPV runs and drives forward but wont reverse..will select reverse but no pull	1
2004 Mazda MPV Loud squealing noise	0
2004 Mazda MPV What are the approximate sizes of the screws that screw into the EGR Valve?	1
2004 Mazda MPV water sitting in the back and front driver side floor	1
2004 Mazda MPV mazda mpv not selecting gear	0
2004 Mazda MPV Lights will come on for cruse control but cruse control will not engage	1
2004 Mazda MPV Which spark plugs are the best for Mazda MPV 2004 model?	2
2004 Mazda MPV Exhaust is producing black silt what could be the problem?	1