DTC P2096: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2096 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2096 Target A/F feedback system too lean
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(1)/more(2) than the specification, the PCM determines that the target A/F feedback system is too lean.

MONITORING CONDITION (2) 
  • Rear HO2S voltage is above 0.1 V 

Diagnostic support note 
  • This is a continuous monitor (Fuel system).
  • MIL illuminates if PCM detects above malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for the same malfunction has been stored in PCM.
  • PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Leakage exhaust gas
  • Middle(1)/Rear(2) HO2S malfunction
  • IAT sensor malfunction
  • ECT sensor malfunction
  • Air suction in intake-air system
  • Front HO2S malfunction
  • MAF sensor malfunction
  • Insufficient fuel line pressure
  • Fuel pump unit malfunction
  • Leakage fuel
  • Improper operation ignition system
  • Insufficient engine compression
  • Fuel injector malfunction
  • PCM malfunction
(1) California emission regulation applicable ATX model
(2) Except for California emission regulation applicable ATX model
RENDER: 1.0x

NO RELATED

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