P0422 Diagnostic Trouble Code Discussion for December 2004
Catalyst Efficiency Below Normal (Bank 1)
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| Help Request | Posted | |
| 2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWMA23BOY P0422: . this car had code p0422 was check by different shop.customer requested to me replaced o2 sensor after cat. this was done a month ago clear code. there was no light till three weeks. after three weeks ckeck engine light on again. check and found same code. car ... |
December 20, 2004 |
