Typical repair cost: $50–$4,500
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Blue smoke at startup that clears as the engine warms — most common.
Blue smoke under load — oil getting past rings. Confirmed by compression and leak-down.
On boosted engines — blue smoke under boost, oil in intake.
Pulls excess oil vapor into the intake.
Worn rings or stem seals can wait if oil consumption is <1 qt/1000 mi; turbo seal failures need immediate attention.
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