Owner's Manual
Page 263
... THE OLD PCV VALVE! NOTE: Intentional tampering with emissions control systems can be necessary. 7 Crankcase Emission Control System Proper operation of this system depends on freedom from sticking or plugging due to deposits.
... THE OLD PCV VALVE! NOTE: Intentional tampering with emissions control systems can be necessary. 7 Crankcase Emission Control System Proper operation of this system depends on freedom from sticking or plugging due to deposits.