Thanks. The API SN+ approval must have recently occurred. SN+ rating controls the amount of Calcium used which can contribute to LSPI. You're good to go!
Yeah, can't trust the dealership for 100% PDI. Heck, when I picked up my wife's new Lexus noticed it was riding really rough and feeling every little imperfection on the road surface. After a 200 mile road trip home from the dealership I checked the tire pressure the next morning and all the...
Dual injection is slowly being phased in to meet future emission requirements. Adding port injection is not only for cleaning the intake valves but for reducing particulate emissions. Otherwise particulate filters will be required on GDI engines just like diesels.
Is this an issue with the 2.3L's? Lot's of debates using the cans for the 2.7L and 3.5L EB's but there hasn't been any hard evidence of valve issues even with high mileage (200k mile +) EB's.
Personally I run a low NOACK oil and not worry about the can.