Why is There Oil in My Air Intake Hose? Unveiling the Hidden Culprits
Oil in your air intake hose can be caused by a variety of factors, such as a blocked positive crankcase ventilation (PCV) system, piston ring and cylinder wall wear, sludge buildup, or turbocharger/supercharger issues. These issues can lead to excessive carbon deposits or engine sludge developing inside the crankcase, causing oil to flow inefficiently and…
