Did a 100 mile trip today up to Anaheim and back. Oil pressure fluctuated from one quarter to just under half.
Do I add more oil? Change to the 5W-30?
Cant remember what it used to be at prior to me changing it.
Had looked all over online to confirm oil level. Those with the green dipsticks used 7.9qt of oil with a new filter. I changed my oil on my 2021 HE yesterday, installed the fumoto quick drain valve, and changed the oil filter housing to the metal corolla one while swapping out the inner metal...