PCV Valve Diameter: 15-22 mm (0.59-0.87 inches)
PCV Valve Length: 45-55 mm (1.77-2.17 inches)
PCV Valve Orifice Diameter: 1.5-2 mm (0.06-0.08 inches)
PCV Valve Operating Range: Vacuum at idle: 10-20 inHg (34-68 kPa); Vacuum at high speed: 25-30 inHg (85-102 kPa)
PCV Valve Flow Rate: Typically within the range of 0.5 to 1.5 cubic feet per minute (CFM) or 0.23 to 0.68 cubic meters per minute (m3/min)
It's important to note that these specifications may vary slightly based on the exact engine and model variation of your 1999 Camry CE sedan. Therefore, it's always best to refer to the vehicle's service manual or consult with a reliable automotive parts source to ensure you have the correct PCV valve specifications for your specific vehicle.