DTC P2272 Acura

Front Secondary HO2S (Bank 2, Sensor 2) Circuit Signal Stuck Lean

Front Secondary HO2S (Bank 2, Sensor 2) Circuit Signal Stuck Lean

Description

If, after current is applied to the front secondary HO2S heater, the front secondary HO2S does not fluctuate and the output is stuck within the specified area, a malfunction is detected. The front secondary HO2S (bank 2, sensor 2) output voltage is 0.650 V or less.

Cause and Solution

Poor connections or loose terminals at the secondary HO2S (Sensor 2) and the PCM

Video Guide

Duration: PT4M10S | Uploaded: 2020-04-21

Diagnostic Info

  • DTC Code: P2272
  • Brand: Acura
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