Buy Lexus IS 300 PCV Valve. PCV Valve - Repair or Replace If your PCV system is malfunctioning, you Erratic, Hisses - OEM Lexus Part # 1220446031

COVER SUB-ASSY, CYLINDER HEAD VALVE SUB-ASSY, VENTILATION

Fits IS 300 (2001 - 2005)

PCV Valve - Repair or Replace
If your PCV system is malfunctioning, you may notice any of several symptoms: if your tailpipe smokes or your engine idle speed is high or erratic, the PCV valve or its associated parts may need service. You may also notice that the dipstick in your Lexus IS 300 won't stay in the dipstick tube, or that your oil cap hisses as the engine is running.