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Title: Caused major problem
Review: Pretty gauge and that's where it ends. At 3000 rpm my oil pressure went to 5 psi and caused me to pull over on the interstate. Idle pressure was 25 when normal is 40 psi. Limped home and ran a lot of tests including changing the oil to a higher viscosity. No change to pressure. I then installed a mechanical oil gauge and all my pressures ran normal. So $120 later I figure out the sending unit was bad out the the box. Do yourself a favor and skip this unit and get a mechanical gauge.
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