what causes the distributor to arc out against the cap screw? on 1995 Mazda MX-6

had new distributor and noticed it was arcing fire out from where the cap seals to the distributor, tryed new cap and it still done it , so i bought a whole new distributor and new cap and rotor and tryed it and it works fine until the engine gets warm and then it does it again....HELP.......thanks

by in Potwin, KS on April 03, 2013
2 answers 5 comments
ANSWER by on April 03, 2013
are you missing the cap seal? never heard of this before,unless there is moisture around the area
COMMENT by on April 03, 2013
yes it has seal
ANSWER by on April 03, 2013
Ignition coil under cap is the problem! That's the part the wire connector hooks to. About 45.00 from NAPA, I think. It is just that I have fixed this before only reason I know anything about it. Now that was the problem on the one I had in the shop doing the same thing!
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COMMENT by on April 03, 2013
I haven't changed the coil but I will try , just thinking had a new distributor in it , and it was doing this so I bought another new distributor and put it in and it was fine til the engine got warm (about 20 min.) then it started doing it , whats the possibility of both coils being bad....
COMMENT by on April 03, 2013
This is the first time you posted that info.!! Not likely 2 coils bad, unless cap was improperly torqued!? Good luck with this one!
COMMENT by on April 08, 2013
thanks and yes it was coil,now the car will not go into 3rd it is an automatic and was working fine , any ideas...shifts from 1 to 2nd at about 5000 rpms and then from 2 to 3 about 6-7000 rpms , figure that is alot too much what to do
COMMENT by on April 08, 2013
Yes I already know that it was the coil. Have a mechanic check the trans. detent cable adjustment!!!!!!!!"