DTC P2195, P2197: Notes
DTC P2195, P2197 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P2195 |
P2195: Front HO2S (RH) signal stuck lean |
| DTC P2197 |
P2197: Front HO2S (LH) signal stuck lean |
| DETECTION CONDITION |
- A HO2S indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
|
| POSSIBLE CAUSE |
- Front HO2S malfunction
- Fuel injector malfunction
- Insufficient fuel line pressure
- Leakage exhaust gas
- Air suction at intake-air system malfunction
- Leakage fuel
- MAF sensor malfunction
- ECT sensor malfunction
- PCM malfunction
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