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Oil in spark plugs well 2006 Volvo XC90

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Old 07-17-2022, 10:11 PM
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Default Oil in spark plugs well 2006 Volvo XC90

Im trying to find out what I need to do about oil being in the wells of the spark plugs
 
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Old 07-18-2022, 09:43 AM
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Same answer on your other post:

This is not that uncommon - a few possible causes 1) oil spilled while filling 2) the seal on the oil filler cap is old 3) your PCV is clogged and is pushing some oil out of the filler cap seal 4) there's a tube that runs up to the top of the cam cover that may be leaking. This tube typically gets replaced when doing a PCV job.

So next step is to check your PCV system - try the latex glove test (see vids on Youtube)
 
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