Judging by the picture, it looks like regular varnish and not really a cause for concern. I would suggest you open the engine panel and take a picture of what you see. I have some light varnish on my 2002 Camry LE V6 and I been using Mobil 1 5W30.
Hi all, I was changing the oil in my '91 Camry DX the other day and noticed
> an yellow/brown slime in my oil cap. I've never noticed this before, and
> was just wondering if this was something to be worried about. I have
> attatched a photo of the cap.
> Thanks for any help,
> Josh
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