re: Second Toyota engine recall delayed because company doesn’t have a fix for problem

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So they are replacing engines with machining debris left in the engine with new engines with machining debris in the engine. And they don't have a fix?

I am not the brightest person but it seems like the fix is pretty simple.

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Most believe it is more than machining debris. This is not Toyota's first rodeo with full engine replacement. They have had some very bad new engine launches in the past, but they rarely launch new engines for a lot of reasons I won't take the time to type out here that largely boil down to 1 part luck and one part starting out with a generally cheaper, smaller lineup in the US going back 40 years. People tend to forget their past issues because it's been so long, and once they fixed all the launch issues, they didn't mess with the engines for a decade or more.

This new family will be the same way. It is a very conservative design, in fact it is overly conservative in that neither FE nor performance is class-leading in any way. They will un-F it in another year or two and try to build it essentially without change for the next 10-15 years.