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12-10-2017, 05:14 PM | #1 |
Drives: Toyota Yaris 2007 Join Date: Nov 2012
Location: United States
Posts: 21
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Oil on Spark Plug threads
Just took out the plugs for the regular replacement, and for the first time noticed oil on the spark plug threads.
To note: 1) Doesn't throw blue smoke or drink oil (so I doubt it's the rings) 2) Doesn't smoke at startup either So I was thinking valve gasket cover or valve stem seals? What do you guys think? Linked the image here: https://ibb.co/hv2rUb |
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