DTC P1153 Acura
HO2S-21 (Bank 2 Sensor 1) Insufficient Switching
HO2S-21 (Bank 2 Sensor 1) Insufficient Switching
Description
DTC P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0121, P0122, P0123, P0131, P0132, P0133, P0134, P0135, P0300, P0301-P0306, P0441 and P1441 not set, system voltage from 11-16v, engine speed from 1500-3000 rpm in closed loop for 1 minute, ECT s
Cause and Solution
Air leaks after the MAF sensor, or in the EGR or PCV system
Exhaust leaks before or near where the front HO2S is mounted
Fuel control sensor is out of calibration (i. e. , ECT, IAT or MAP)
Video Guide
Diagnostic Info
- DTC Code: P1153
- Brand: Acura