DTC P0140 Honda
HO2S-12 (Bank 1 Sensor 2) Insufficient Activity Detected
HO2S-12 (Bank 1 Sensor 2) Insufficient Activity Detected
Description
DTC P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0171, P0172 and P0300 not set, system voltage from 10-16v, engine runtime over 90 seconds, then after the PCM determined the Oxygen Sensor Heater test passed, it detected the HO2S-
Cause and Solution
Exhaust leak present in exhaust manifold or exhaust pipesHO2S element fuel contamination or has deterioratedHO2S signal circuit or the ground circuit has high resistanceHO2S heater element has failed, or the heater circuit is openPCM
Video Guide
Diagnostic Info
- DTC Code: P0140
- Brand: Honda