DTC P2195 BMW

O2 Sensor Signal Stuck Lean Bank 1 Sensor 1

O2 Sensor Signal Stuck Lean Bank 1 Sensor 1

Description

Engine running in closed loop, and the DME detected the O2S indicated a lean signal, or it could no longer control Fuel Trim because it was at lean limit.

Cause and Solution

Engine oil level high
Camshaft timing error
Cylinder compression low
Exhaust leaks in front of O2S
EGR valve is stuck open
EGR gasket is leaking
EVR diaphragm is leaking

Video Guide

Duration: PT4M8S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P2195
  • Brand: BMW
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