Trailing Plugs Half Black, Half White. Leadings Black. Reason?
Thread Starter
rotary tech
iTrader: (9)
Joined: Jan 2007
Posts: 795
Likes: 0
From: tracy/stockton ca
Trailing Plugs Half Black, Half White. Leadings Black. Reason?
i took out my spark plugs to change them and the trailing side were half white and half black and the leading ones were all black. what could cause the half and half condition?
Bongolio
Joined: Nov 2004
Posts: 1,556
Likes: 1
From: visalia,california
Yep mine were always black and white...seems as long as there isnt alot of buildup on them there ok...as far as what could be cuasing it id just say its normal givin there isnt any heavy deposit's...
Thread Starter
rotary tech
iTrader: (9)
Joined: Jan 2007
Posts: 795
Likes: 0
From: tracy/stockton ca
oh ok i was just surprised they have hardly any miles on them plus my car is running super rich for some reason i have an a/f gauge and it reads just past stoich on idle! its ridiculous. i can't figure out the reason either. my afm is good im not sure about my acv imma check that tomorrow. but any ideas guys
