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the oil seems to be on the higher side of viscosity ... for a car that is seeing mostly cold starts when it is started, wouldn't that also lead to significantly higher engine wear than what a lower viscosity oil would have ? also factoring in the lower temps lately where the op lives and that it basically was still in it's break-in period.
(edit, not suggesting something labeled lower, but a different 0w40 that actually measures lower)
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