DTC P0159 Acura
Front Secondary HO2S (Bank 2, Sensor 2) Slow Response
Front Secondary HO2S (Bank 2, Sensor 2) Slow Response
Description
The execution time is once per driving cycle and the duration time is 20.7 seconds or less. Engine coolant temperature is 156 ºF (69 ºC), intake air temperature -13 ºF (-25 ºC), engine speed 1,180-2,000 rpms and vehicle speed is 30 mph. When the front secondary HO2S output drops to the response deterioration judgment threshold value and the response characteristics measurement is finished. (0.77-4.58 seconds)
Cause and Solution
Poor connections or loose terminals at the secondary HO2S (Sensor 2) and the PCM
Faulty Front Secondary HO2S (Bank 2, Sensor 2)
Video Guide
Diagnostic Info
- DTC Code: P0159
- Brand: Acura