Oil pressure drop
04-06-2009, 07:04 PM
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Staging Lane
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Oil pressure drop I've been using Mobil 1 15w50 for the last 30k miles and my car idled at 40psi. Recently on the advice of other board members I switched back to 10w30 now she cruises at 40 psi but idles at about <30 in traffic. Should I switch back to 15w50 or is it normal for my oil pressure to be that low?
