- First Name
- Xira
- Joined
- Sep 27, 2020
- Threads
- 11
- Messages
- 887
- Reaction score
- 1,612
- Location
- Wisconsin, USA
- Vehicle(s)
- 2016 Flex EcoBoost, 2022 Silverado LT
- Your Bronco Model
- Outer Banks
Which is why it will kick the engine back on if there's a heating/cooling demand. ASS doesn't work if it's over ~90°F anyway -- the system status displays "Engine On Due to Ambient Temperature" or something like that.When you're sitting at a long stoplight, with the engine off, the AC is not working.
If it's 110* or more (as it frequently is where I live) this is a problem.
Hot-restarting a modern engine is not nearly the same thing as your morning cold start on a 90s Dodge. Manufacturers have gotten really good at optimizing motor performance.
One of the hardest parts of a cold start is that the starter is spinning as it engages with the flywheel. This sudden load is what causes the most wear. Auto-start-stop engages the pinion as the engine stops. When you're stopped and begin to restart, the pinion is already engaged and you don't have that sudden engagement wear like you would on a cold start. The eletronic controls and direct injection mean it can also alter fuel/spark timing to make the startup faster and easier on the motors.
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The system doesn't bother me much on the Bronco. It's far more annoying on my Silverado -- that one will kick in even if you're creeping forward, making the entire truck lurch.
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