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Summary The 3.0L EcoBoost used in supported 2020–2026 Ford Explorer models combines twin turbochargers with direct fuel injection. Its positive crankcase ventilation system routes blow-by gases back toward the intake, and those gases can carry oil, moisture, and combustion residue. A J&L oil separator adds a filtration stage to the passenger-side PCV circuit. For Explorer owners preparing for summer road trips, traffic, towing or spirit...