One problem related to o2 sensor has been reported for the 2002 Acura RSX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Acura RSX based on all problems reported for the 2002 RSX.
Possible lemon law qualifier. The check engine light had come on four times the dealer stated the #02 sensor was sensitive, they also suggested that the part should reset. There were problems with the locks and keyless entry.