That a great oil. I buy something like 10 jugs of it when it's on sale at Canadian tire for, like 30$ for 5l.. that and the 15$ mail in rebate from SOPUS makes it an absolute winner.
i have 2 vehicles that use 5w30 plus her Bronco. I try to keep 2 changes for each on hand and use the first in, first out. I have some PUP, Napa, Valvoline in addition to SuperTech. Rotation just had her getting SuperTech twice in a row. Working thru my older case of FL-910S filters. Will be switching to Carquest Premium and Baldwin soon.
Fantastic oil right there. My most favorite 0w16
I’m thinking about changing my 21 Rebel to 5w30. They say the engine will set off a “soft code” that doesn’t set off a check engine light but you’ll see it when you scan it when using a thicker oil. Would be interesting to know if that’s true or not.
I have seen jeeps that specify 5w-20 set a code when 5w-30 was put in. So yes it can occur. The check engine light will illuminate after so many drive cycles
And what does the code say? What's the supposed mechanism causing this? I highly doubt it's from the KV100 difference between a xW-20 and xW-30.
P1521 incorrect oil viscosity. I know what you are thinking because I was thinking the same thing. Not much difference between a 20 and a 30 so big deal right? Jeeps can throw this code. The oil pressure sensors are on the oil cooler under the intake and they are very sensitive
Hasn't thrown a code with M1 0W-40 over the winter. Only drove it about 15 minutes this afternoon after the oil change and nothing yet.
Good dealHasn't thrown a code with M1 0W-40 over the winter. Only drove it about 15 minutes this afternoon after the oil change and nothing yet.
No codes.
. I've seen it on the 3.2 and 3.6. and only saw it a couple of times. if you have the hemi or another engine it may never throw the code.Looking on what can cause a P1521, it looks like all kinds of things can cause it to set. It doesn't mean "incorrect oil viscosity". It just means something is malfunctioning with the variable intake cam control system.
I have been an auto tech professionally for 30 years. Yes that code can be set due to vvt issues. It can also be set for oil viscosity issues. The newer jeeps 2020 and above and like I stated I only have seen it once or twice. Customer comes to the shop for an oil change and other repairs. They brought their own oil. We did some other work unrelated (abs) that required a test drive afterwards. After all the repairs were done including the test drive (with scanner monitoring PID) a rescan showed the oil viscosity code. There were no codes beforehand on the oil viscosity., none in history. Whenca code is set it can be set for any number of reasons. Sometimes not related to the trouble code at all. Modern vehicles are very very sensitive to any changes. Now will using 5w-30 hurt a vehicle spec for 5w-20? Hell no
What oil and viscosity did they bring? And did the code get reset and it never came back, or was the oil actually changed to get rid of the code. If so, what oil was put in instead? Can't just say it was the oil without doing more controlled tests to prove it was actually the oil. Any engineer who makes a self-monitoring system so sensitive to a few cSt difference in oil viscosity should be fired, lol.
