That may have been the dumbest feature GM has created.
That may have been the dumbest feature GM has created.
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View my fuel log 2020 Mirage ES 1.2 manual: 42.4 mpg (US) ... 18.0 km/L ... 5.5 L/100 km ... 51.0 mpg (Imp)
It would surely give cylinder deactivation some competition for stupid GM engineering.
I hate GM vehicles that have the auto stop & go feature that can't be turned off easily, too!
Most brands have lost my respect in the auto industry. On a positive note - If someone buys a new vehicle these days, I no longer suffer from any new vehicle envy!
I actually think cylinder deactivation makes good sense in having the displacement available, but only using what you need situationaly. I was surprised to learn GM didn't invent it, and it dates back as far as1905.
Total agreement with you on start/stop tech, though. That is an obtrusive tech for trying to meet overly stringent CAFE requirements
Wil B (06-11-2022)
I have a number of relatives that drive larger GM vehicles, & cylinder deactivation has caused engine failure for a few. You have hot active cylinders running next to cooler deactivated cylinders and that just causes havoc within. In theory it sounds great. If it means early engine failure, that sucks!