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DTC P2195: Notes

DTC P2195 [L3] CHART

DTC P2195

Front HO2S signal stuck lean

DETECTION CONDITION

The PCM monitors the front HO2S output voltage when the following conditions are met. If output voltage is less than 0.45 V for 41 s , the PCM determines that the front HO2S signal remains lean.
MONITORING CONDITION
- Fuel injection control system status: feedback zone
- Front HO2S voltage is above 0.1 V

Diagnostic support note

This is an intermittent monitor (HO2S).
MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA is available.
DTC is stored in the PCM memory.

POSSIBLE CAUSE

Front HO2S malfunction
Fuel injector malfunction
Insufficient fuel line pressure
Leakage exhaust gas
Air suction at intake air system malfunction
Leakage fuel
MAF sensor malfunction
ECT sensor malfunction
PCM malfunction