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SouthArk370Z · 12-01-2020, 12:54 PM

The wrong viscosity isn't going to make a lot of difference in performance - over a short period of time. Oil that is too thick or thin can cause wear problems over time but, as long as they got close on the viscosity, you shouldn't have a noticeable loss of performance. Ie, I agree with ZoomZ that there is a good chance that the shop messed something up during the oil change. Maybe you have something else going on but a good chance it's the shop's fault.

Have you checked for any DTCs? If you don't have a reader, most auto parts stores will loan you one for the few minutes it takes to check. Some will even check it for you.

Edit: The fact that the problem doesn't show up until the engine is warm leads me to believe you have a temperature sensor malfunctioning. Possibly a connector knocked loose during the oil change?

Edit #2: Warranty does not require that oil changes be done by the dealer. DIY and save your oil/filter receipts. Or have a mechanic that you trust do it.

12-01-2020, 12:54 PM	#3 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	The wrong viscosity isn't going to make a lot of difference in performance - over a short period of time. Oil that is too thick or thin can cause wear problems over time but, as long as they got close on the viscosity, you shouldn't have a noticeable loss of performance. Ie, I agree with ZoomZ that there is a good chance that the shop messed something up during the oil change. Maybe you have something else going on but a good chance it's the shop's fault. Have you checked for any DTCs? If you don't have a reader, most auto parts stores will loan you one for the few minutes it takes to check. Some will even check it for you. Edit: The fact that the problem doesn't show up until the engine is warm leads me to believe you have a temperature sensor malfunctioning. Possibly a connector knocked loose during the oil change? Edit #2: Warranty does not require that oil changes be done by the dealer. DIY and save your oil/filter receipts. Or have a mechanic that you trust do it. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma Last edited by SouthArk370Z; 12-01-2020 at 01:00 PM.