I have my hardtop on right now, so access to the engine compartment is inconvenient. I'll check the connections and the resistance before I shell out $90, but there are numerous threads on Renntech indicating it is a fragile part. Oil Pressure Switch/Gauge not working - 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) - RennTech.org Forums (There isn't much information on this forum because most cars have the stock sending unit that sets off the warning light.)
Normally, the gauge reads 5 bar until the oil warms up and then I'm usually around 3.5 with the car running in the 3000-4000 rpm range.
I was driving at about 70 mph one night when the gauge suddenly went all the way to the top. I thought it might have been a blocked oil passage until I realized that the warning light didn't illuminate. On one of my other cars I would be annoyed. To be honest, I was almost relieved to see that the sending unit is the common cause of this problem. $90 for a sending unit is a lot less than the cost of a new engine.
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2000 Arctic Silver/Black, Hard Top, On Board Computer
PNP Rear Speakers, HAES 6-Channel Amp, Avic Z140BH,
Painted Bumperettes, 2004 (OEM) Top, Homelink integrated in dash with Targa switch, 997 Shifter, Carrera Gauge Cluster with silver gauge faces, heated 997 adaptive sports seats, Litronics, silver console
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My car
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