Jax40 Posted yesterday at 10:20 AM Posted yesterday at 10:20 AM (edited) Hi guys, first post and first service for my Audi s3! Is it normal to find oil in the spark plugs? any feedback welcome! Edited yesterday at 10:26 AM by Jax40
cliffcoggin Posted 23 hours ago Posted 23 hours ago A trace of oil may be present in an engine that has just started from cold. However it's not normal in an engine that is in good condition and has been run long enough to warm up. Some black hard soot or coke is usual around the end of the thread; while the contacts usually have a pale grey-brown powdery coating. Presumably you have oily plugs or you would not be asking about them, so tell us how much and where, or post a detailed picture.
Jax40 Posted 22 hours ago Author Posted 22 hours ago (edited) Hi mate, thanks for the reply please find the picture below. the car was cold I was just doing the spark plugs. The good thing is that it wasn’t in the actual pin so I reckon it’s not from the cylinder(?)also in the video it’s only on the 4th cylinder that it was “bad” so maybe the previous owner spilled the oil? I will monitor it anyway Edited 22 hours ago by Jax40
cliffcoggin Posted 21 hours ago Posted 21 hours ago The electrodes are exactly as they should be. The oil on the thread has run down from the plug body because a sloppy mechanic has spilt oil into the recess during topping up.
Magnet Posted 2 hours ago Posted 2 hours ago Hello Jax, Taking it you are DIYing this service -? If so what brand and grade oil are you using, and what brands of oil, air and pollen filters? Current mileage and when last serviced? Regards, Gareth.
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