DTC P2097:00, P2099:00: Notes
WARNING: This page is about a different variant/trim than selected.
| DTC P2097:00 |
Post catalyst fuel trim system too rich (RH) |
| DTC P2099:00 |
Post catalyst fuel trim system too rich (LH) |
| DETECTION CONDITION |
- P2097:00: indicates that post catalyst fuel trim system too rich (RH)
- P2099:00: indicates that post catalyst fuel trim system too rich (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 decrease correction value is greater than the calibrated limit.
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| POSSIBLE CAUSE |
- A/F sensor connector or terminal malfunction
- HO2S connector or terminal malfunction
- Contaminated A/F sensor and/or HO2S
- PCM malfunction
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