DTC P0140 Acura
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, P0301-306 not set, system voltage from 11-16v, engine runtime over 40 seconds, then after the PCM determined the Oxygen Sensor Heater test passed, it detecte
Cause and Solution
Exhaust leak present in exhaust manifold or exhaust pipes
HO2S element has fuel contamination or has deteriorated
HO2S signal circuit or the ground circuit has high resistance
Video Guide
Diagnostic Info
- DTC Code: P0140
- Brand: Acura