P0422 Diagnostic Trouble Code Discussion for August 2014
Catalyst Efficiency Below Normal (Bank 1)
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| Help Request | Posted | |
| 2001 Honda CR-V LX 2.0L MIL Lamp on, Po422 VIN: JHLRD18421 P0422: Cat efficiency low. This car keeps setting a PO422 code but runs perfectly. My issue is that the fuel trims are running high (short term bank 1 5.47% Long term bank 1 7.03% The front Oxygen sensor is working normally (0.10-0.82 changing normally ). Rear O2 sensor is ranging betwe... |
August 20, 2014 | |
| 2001 Honda CR-V LX 2.0L MIL Lamp on, Po422 VIN: JHLRD18421 P0422: Cat efficiency low. This car keeps setting a PO422 code but runs perfectly. My issue is that the fuel trims are running high (short term bank 1 5.47% Long term bank 1 7.03% The front Oxygen sensor is working normally (0.10-0.82 changing normally ). Rear O2 sensor is ranging betwe... |
August 21, 2014 |
