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Old 11-30-2019, 02:39 PM   #7
NASIOC Supporter
Member#: 132
Join Date: Jul 1999
Chapter/Region: Tri-State
Location: Cold in winter, hot in summer
05 WRX, 15 WRX 6mt
'02 WRX- ShinjiTuned


I've never seen a PCV hose leak to the point that you are seeing smoke coming from under the hood.

You have another issue for sure. Get looking.

It likely smokes more after using the turbo because whatever it is dripping on is getting much much hotter when you are into the boost(exhaust, head, turbo, etc.).

Common "smokey" culprits include:

Valve cover gaskets/grommets/spark plug seals/half moons/breather gaskets
Front main seal
Oil cooler gasket
Power steering lines

Coolant lines/hoses: Virtually any of them.
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