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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This is incorrect.
The increased wear is on the cylinder walls because of a momentary lack of oil (removed by the piston ring), and in combination with manufacturer's suggested (MIL) oil changes, which are 7,500 to 10,000, you'll have very shortened engine life expectancies (and we are already seeing that). In short, if you want your new Toyota engine to last 200K, you'll need to ignore the MIL and do 3K oil changes, and you'll still have premature wear.
Your only option is to disable the start/stop feature, burn a bit more gas, and keep the engine lubricated properly in the process.