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1985 911 Carrera Oil Pressure Light

Engine

Vehicle Information: Model: 911 Carrera; Year: 1985; Body Type: Coupe; Engine (type, size, modifications): 3.2, Aftermarket Exhaust, Upgrade Chip; Total Mileage: 49,500;

After the car has warmed up to operating temperature, I have noticed whencoming to a stop and the engine is at idle the oil pressure drops and thecombined oil/parking brake warning light comes on. If I increase theRPM's a couple of hundred RPM, the pressure comes up and the warninglight goes out. I have noticed it especially after cruising at speed (70MPH) and then slowing down after exiting the interstate. The oil pressureregisters fine on the pressure as long as the RPM's are above idle.

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