Worn Timing Chain and Guides
Failure of these chains can lead to catastrophic engine failure
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Oil consumption has appeared as an issue following the Christmas holidays. During this 2 week period, I drove very little. Following the holidays, I found oil consumption to be high. Initially 1.5 qts in the first 150 miles! Next oil top-off showed consumption down to 1.0 qt in same distance. Currrently, oil consumption has recovered to the historic 1 qt. per 1500 miles. Rear of car has oil mist grunge so I suspect it was going out tailpipe. No new external oil leaks. I suspect valve seals or a turbo seal though turbo boost has remained unchanged (max P and boost response). Comments?