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Q: Serious air pressure is coming out of my oil stick and oil cap. The car squeaks until I pull out the oil stick and air comes out

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Air comes out when I pull my oil stick or twist my oil cap. The car squeaks, but when I pull the oil stick, major pressure hisses out and car stops squeaking.

My car has 40000 miles.
My car has an automatic transmission.

A: Hello there, thanks for writing in. A few d...

Hello there, thanks for writing in. A few different faults can cause your 2006 Infiniti M45 To have a pressure buildup in the engine. The most common would be a PCV valve, high oil pressure, or a vacuum leak. A qualified technician such as one from YourMechanic will be able to diagnose your engine pressure problem by performing a vehicle inspection and determine what is the root cause.

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