P1421 Diagnostic Trouble Code Discussion for April 2005
Cold Start Emission Reduction Strategy Monitoring
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| Help Request | Posted | |
| 1996 BMW 328i 2.8L MIL Lamp on VIN: WBABK8329T P1421: secondary air injectionbank1. help!!! after resolving a number of obvious air injection related concerns, i now have an air pump that actually operates, but still have codes for same! mitchell has a sketchy description of the problem, and no real diagnostic routine. am i missing someting s... |
April 14, 2005 |
