Quote:
Originally Posted by W2k
Auto start/stop has been around for long enough that there is very solid data on whether it causes premature wear and failure of starters and other components.
Short answer: No, it does not. It's an internet myth.
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I don't think you can make a blanket "no it doesn't cause premature wear" statement. All AS/S systems are not equal, and this system in Jeeps was causing a lot of issues with the starters, secondary battery & primary battery.
First hand experience in a brand new '23 Grand Cherokee L Summit my wife ordered the auto stop/stop didn't work from the day we picked up the vehicle. Secondary battery replaced, still didn't work. Kept giving warning lights in the cluster. Only thing dealer could do was shut off warning lights & say "maybe they'll release a software update to fix that down the road".
We traded the Jeep (our 10th Jeep) 9 months after we purchased it due to constant software & systems issues.
You can find evidence of other issues related to auto stop/start across all brands.