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20/04/2023 1:39 am
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2010 Toyota Yaris 107k. I just changed the spark plugs on my own for the first time (and might be the original spark plugs, I'll have to double check records) and I'm trying to understand what they mean. 1st photo is cylinder 1 (very left when looking at engine) and the others are like the second photo. Is the engine burning oil? O rings going bad? Overheating?
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20/04/2023 5:35 am
Well it's too white that one which means it's running too lean. So see if something's going on with the fuel injection system
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