Low oil pressure! When driving you're engine has an oil pump that pulls oil from the very bottom(oilpan) and pressurizes it, pumping it up to various components. Like camshafts, valve train, and even coats the cylinder walks to act as a protectant bearing(for lack of a better term) so the pistons can glide smoothly, and not score the cylinders. Low oil pressure could be caused by anything from certain oilfilters that break down from poor design or maintenance, to the oil pickup being clogged... it could even be something as simple as the oil pressure sending unit being bad, or a loose connection... I don't think there's anything other than a lucky guess that could tell you exactly what's going on without a lot more information to go off of. Even then; it's still not going to be foolproof, without a competent tech actually physically going over the vehicle for proper diagnosis!
No sir the oil stick register full
It's low on oil get it checked asap
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