DTC P0140: Heated Oxygen Sensor (Ho2S) No. 2 Bank 1/Insufficient Activity: Notes
WARNING: This page is about a different car, the 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, 2000 Isuzu Rodeo, 2000 Isuzu Amigo, and 2000 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Always inspect a faulty HO2S for contamination and correct cause before installing a new HO2S. Bank 1 refers to right cylinder bank.