Spark plug color
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Spark plug color
So i was bored today and decided to pull my spark plugs and see what color they are. #1,3&4 are had a white tint to them and my #2 was black?? does anyone know whats going on here. i checked the gap on them and adjusted all for .25 to .28 and then made sure all were tightened down correctly and the wires/packs were put on snug. thought this was odd, the car runs fine.
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possibility. i think i am going to check around the injectors tomorrow and see if any is leaking around the outside. It doesn't smell like gas in the engine bay though, and i didn't notice this on the old iridiums i changed out about a month ago. Do you think it might be a gapping difference? i went with the bpr7es cause i didn't have the $ for new iridiums at the time.
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i initially gapped them to .25, and was pretty careful on doing so, but it was also the first time i had ever gapped a spark plug. I made extra sure i gapped them the same today. No i have never touched the injectors, they are stock.
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Stock injectors shouldn't have that kind of unevenless of fuel (three are lean and one is rich. ), but things happen. You could replace plugs with new ones, drive for 1k miles and then check them again.
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Evoguy!123
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Jul 20, 2016 07:26 AM