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11 cruze ECO with 150k miles on it. I am finally replacing the turbo due to the wastegate issue. It has been an issue for a while, I have just been delaying due to time. The wastegate is very bad with 3 or 4 large cracks and a ton of play in the pin.

Anyway about 20-30k miles ago I did the v1 PCV fix. Lately I have been noticing an oil smell. Upon replacing the turbo, I have noticed I have oil leaking from the left side of the engine. Also may have some other leaks, its hard to tell.

My question is, how can I test to see if my PCV system is operational? My defective turbo would not have caused excessive crankcase pressure right? If anything I would think it would be opposite. What are my next checks? Does not seem to be using excessive amounts of oil.
 
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