- Banned
- #16
Soot (carbon particles) accumulation in the engine oil is a problem with Ecoboost and other brand Direct Injection DI engines.So should we go with the oil life monitor or with some arbitrary number people throw out there for when to change oil?
https://www.sae.org/publications/technical-papers/content/2019-01-0301/
GM's OLM won't let DI engines go over 7,500 miles or 1-year, maybe more frequent if it senses you are towing or driving crazy in hot weather, or short trips in cool/cold weather.
Ford's iOLM does the same thing except they allow up to 10,000 miles, with the same 1-year limit as GM.
I prefer GM's more cautious 7,500 mile limit (or 1-year of course).
Also, if I had an Ecoboost Mav, I'd make sure I used one of those oils (any brand) at walmart that says good for "20,000 miles", which is Mobil1 Extended, Quaker State Ultimate, or SuperTech 20,000 oil (Castrol Edge Extended has to be mail ordered or autoparts stores).
NOT to change at 20,000 miles, but to ensure lots of reserve oil performance is there for soot and fuel dilution issues with Ecoboosts.
The Mav Hybrid engine is much easier on oil and I'd just follow the iOLM dashboard engine oil change light on that engine.
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