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njvictor · 07-02-2017, 12:24 PM

2013 Toyota Corolla , has 63117 miles on it. It's been getting crappy mpg lately.
Started to get a misfire randomly code p0300. Changed plugs and coils.
Ceramic is burnt. Trying to attach picture for you guys to see. Electrodes are gray.

07-02-2017, 12:24 PM	#1 (permalink)
njvictor EcoModding Lurker Join Date: Jun 2012 Location: NJ Posts: 2 Thanks: 1 Thanked 0 Times in 0 Posts	Sparkplugs 2013 Toyota Corolla , has 63117 miles on it. It's been getting crappy mpg lately. Started to get a misfire randomly code p0300. Changed plugs and coils. Ceramic is burnt. Trying to attach picture for you guys to see. Electrodes are gray.