When plugs burn out do they form shorts? 0 resistance sounds like a really good current path... or a short. Infinite resistance is "burned out completely" in my mind... when these plugs go, do they short themselves together or just lose contact like a light bulb filament or a fuse? Might be related...

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~Michael S.~
Past cars:

1986 300SDL
1987 300SDL
1982 240D
1982 300SD


Current:

1987 300SDL