What causes turbos to fail? Has the entire turbo siezed or just the variable vanes? If the bearings are ok, and it's the vane actuator, Mr Muscle can clean it up and free it sometimes
Causes? Too many miles between oil changes, and EGR
Start Stop is not the cause because the issue was prevalent before that came in, and start stop is mostly in use in non high speed hot turbo bearing simmering scenarios,
Most cars have separate cooling for turbos now
I have been driving turbo cars for 27 years and never had one fail
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