DTC P2096 [L3]: Notes
DTC P2096 (L3) DETECTION CONDITION & 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 more than the specification for 35.2 s
, the PCM determines that the target A/F feedback system is too lean.
- HO2S sensor voltage is more than 0.1V
MONITORING CONDITIONS
- HO2S feedback fuel control is active.
- Engine speed is 1,500 rpm or more.
- Engine coolant temperature is above 70°C {158°F}.
- HO2S heater is ON.
- Intake air volume is above 4g/s {0.5 lb/min}.
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.
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| POSSIBLE CAUSE |
- Leakage exhaust gas
- HO2S malfunction
- Erratic signal to PCM
- ECT sensor
- MAF sensor
- TP sensor
- Related connector or terminal malfunction
- Related wiring harness malfunction
- A/F sensor malfunction
- MAF sensor malfunction
- Air suction in intake air system
- Insufficient fuel line pressure
- Fuel pump unit malfunction
- Leakage fuel
- Improper operation ignition system
- Ignition system malfunction
- Insufficient engine compression
- Fuel injector malfunction
- PCM malfunction
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