DTC P0131, P0132, P0151, P0152: Ho2S (Front, RH) No Inversion (Stuck Low), (Stuck High); Ho2S (Front, LH) No Inversion (Stuck Low), (Stuck High): Notes

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P0131, P0132, P0151, P0152 Detection Condition & Possible Causes Chart

Courtesy of MAZDA MOTORS CORP.