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Oil pressure alarm question
Dave, I''m getting acquainted with a new engine and am learning that both water temp and oil pressure have *two* sensors, actually one is a sender (to the gauge) and the other a switch (to the alarm). You may have a faulty sender (or whatever your Volvo folks decided to call it). Jump across the terminals with the switch on but engine off; if the alarm bleats, perhaps that''s proof enough that the switch/sender/sensor needs replacing.
Jack
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