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Why would the oil pressure gauge register in the red zone?

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Hey Sim==If it does it only while the engine is running, the sending unit could be inacurate. You need to install a manual gauge to see what the actual reading is. If it goes to red before starting the engine the wire to the sending unit is probably disconnected. Good luckJoe


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First answer by Joe JOhns. Last edit by Joe JOhns. Question popularity: 85 [recommend question]

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