LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2006 >> 5 Sport, 2.3 L, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3) >> DTC P2097 >> Notes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC P2097: Notes

DTC P2097 [L3] CHART

DTC P2097 Target A/F feedback system too rich
DETECTION CONDITION 
  • The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is less than specification, the PCM determines that the target A/F feedback system is too rich.

    • Diagnostic support note 

  • This is a continuous monitor (Fuel system).
  • 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.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Leakage exhaust gas
  • Rear HO2S malfunction
  • IAT sensor malfunction
  • ECT sensor malfunction
  • Front HO2S malfunction
  • Excessive fuel line pressure
  • Fuel pump unit malfunction
  • Purge valve malfunction
  • Insufficient engine compression
  • PCM malfunction
scientia non olet · About LEMON Manuals