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Old 02-04-2013, 04:00 PM   #2
san rensho
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Join Date: May 2011
Location: Miami florida
Posts: 1,591
It's likely the oil pressure sender unit, but don't assume that's the case. Take out the oil pressure relief valve and check for obvious clogging or failure. Once you've rules out the OPRV, then get an external oil pressure gauge and test the pressure. If the pressure is good, then I would change out the pressure sending unit.

I wouldn't drive until the checks are done.
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2000 Boxster 2.7l red/black

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1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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