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Discussion Starter #1
I ran into.this thread from a Similar forum for prius. Really hope it helps us you have the same problem.

 

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This is a mechanics point of view
although his intentions are willful, and he’s close with thermal expansion, but there is more to the metallurgy..

the Atkinson Cycle engine is already designed with thermal expansion as a Given by us engineers..

it is not a squashing issue..

it is a out of order thermal condition that takes out the gaskets..

If a cylinder is misfiring, for Any period of time, thermal expansion becomes uneven, sanding stretching the head gasket..

this applies to ALL Atkinson Cycle Engines.. Chevy Ford Toyota etc..

Before jumping to “oh it’s EGR then”
this engine management system will Alert the system of Restricted EGR and pop a CEL.. $ave money clean it then..

just make sure to change plugs every 60,000 miles with dirty US fuel and fuel stations.. And throw a bottle of Lucas fuel injector cleaner in gas tank at a fill-up once every couple of months..

Lucas injector cleaner is the only one without the distillates that rot gaskets
 
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