One problem related to catalytic convertor has been reported for the 2001 Toyota RAV4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Toyota RAV4 based on all problems reported for the 2001 RAV4.
2001 Rav4 catalyst system fail. Many owners for 2001-2002 are having problem getting engine error code po420/430 (catalyst system efficiency below threshold) I had this error since new. They changed converter and rebooted software, but never got fixed. I just found out that there is TSB eg010-02. It shows software was updated 4 times. "misprogammed fuel map". I went to dealer with copy of TSB. I spent $80 for soft update because over warranty. It came back 2 days later. . Read more...