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Paddy mack
Guest
so the nissan standard oil pressure gauge in the car was acting so when i went to the mechanic who does all my work he said oil pressure is spot on in the engine! so i took to a auto electric place they told me bung in a new gauge, so this evening i did, the oem gauge used to read low or nothing at all, but the new one (after market) reads 6 - 7 bar!!!, so whats the correct oil pressure in a spec S and any ideas? is it the sender, or is my electrical skills just lacking (oem gauge had 6 wires connected to it new one has only three 12V, ground and signal)