- First Name
- Z
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- Jul 8, 2020
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- 2021 Toyota 4Runner
- Your Bronco Model
- Badlands
They probably just picked -18*C because it was an American engineer and they were shooting for 0*FInteresting, I didn't know all that. I've always just had a block heater but they were older cars. What design considerations went into using -18C as the threshold? Is anything warmer than that considered acceptable to not have an engine heater/anything colder than that it's recommended to have one? Or is it related to the sensor faults going off and they're just trying to avoid that?
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