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166 Posts
Hmm, I've noticed the engine always seems to run in 4low in hybrid mode (and 4low+eSave, of course!). Electric works like you'd think, engine stays off. I wonder why they chose to do that?
Looking at the power flow page, it appears the battery is charging at a few kW if I just sit there in 4low, even when not in eSave mode. Once I move, the engine seems to clutch in immediately and power the Jeep, same behavior as eSave in 2WD with a low battery. It actually feels all smooth and normal automatic-like, which might be part of the reason it's handled this way. It still strikes me as odd that the engine starts the moment you go in to 4low in hybrid mode though...
Looking at the power flow page, it appears the battery is charging at a few kW if I just sit there in 4low, even when not in eSave mode. Once I move, the engine seems to clutch in immediately and power the Jeep, same behavior as eSave in 2WD with a low battery. It actually feels all smooth and normal automatic-like, which might be part of the reason it's handled this way. It still strikes me as odd that the engine starts the moment you go in to 4low in hybrid mode though...