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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (On-Board Diagnostic [Engine Controls MZI 3.7] (5 Of 5)) >> DTC P2096:00, P2098:00 >> Notes

DTC P2096:00, P2098:00: Notes

WARNING: This page is about a different variant/trim than selected.
DTC P2096:00 Post catalyst fuel trim system too lean (RH)
DTC P2098:00 Post catalyst fuel trim system too lean (LH)
DETECTION CONDITION 
  • P2096:00 indicates that post catalyst fuel trim system too lean (RH)
  • P2098:00 indicates that post catalyst fuel trim system too lean (LH)
  • The PCM monitors the correction value from HO2S as part of the fore-aft oxygen sensor control routine. The test fails when the fuel increase correction value is greater than the calibrated limit.
POSSIBLE CAUSE 
  • A/F sensor connector or terminal malfunction
  • HO2S connector or terminal malfunction
  • Exhaust gas leaks
  • A/F sensor installed improperly
  • HO2S installed improperly
  • Contaminated A/F sensor and/or HO2S
  • PCM malfunction