One problem related to crankcase (pcv) has been reported for the 2001 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Subaru Forester based on all problems reported for the 2001 Forester.
Vehicle engine sputters, surges and shakes intermittently. Sometimes stalls when stopped. Sometimes accelerator significantly hesitates provide engine speed. Very dangerous when crossing traffic or merging. Mechanic replaced coil pack, spark plugs, wires, pcv valve, adjusted throttle position sensor. Dealer reports problem unknown and not under warranty at 43,000 miles.