What are the symptoms of a faulty engine oil-gas separator?

1 Answers
SanCora
07/30/25 9:49am
Introduction to symptoms of a faulty engine oil-gas separator: Vehicle vibration: When the oil-gas separator malfunctions, the engine will exhibit noticeable vibrations accompanied by whistling-like noises. Warning light activation: Check if the vehicle's dashboard displays any warning lights. Illuminated warning lights often indicate excessively rich air-fuel mixture caused by oil-gas separator failure. Air leakage from separator holes: Most oil-gas separator failures result from damaged diaphragms. During idle operation, try covering the separator's holes with your finger. If air leakage is detected, this confirms separator damage.
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