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Back to my experience with the oil pressure gauges. As mentioned earlier, since replacing the blown engine in my 2000 S I had a cheap Amazon gauge and sender. At idle with the engine hot I was getting almost zero oil pressure on the gauge, but the oil pressure idiot light never even flickered... so I figured the pressure is low, but not critical (it is an "experienced" engine with around 130K miles on it). Today I completed the installation of the VDO gauge and Porsche (VDO) sender and suddenly I have 20 psi at hot idle! So it seems the Amazon kit that I have is not very accurate at low pressure. I am assuming that it is the sender that is inaccurate not the gauge, because I ran the VDO gauge with the Amazon sender and was getting the same low reading at hot idle.
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Grant
Arctic Silver 2000 Boxster S - bought with a broken engine, back on the road with the engine replaced
Green 2000 Boxster 5-speed and 1978 928 auto
1987 924S 5-speed (Sold) - Blue 2000 Boxster 5 spd (Sold)
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