P1423 Diagnostic Trouble Code Discussion for March 2008
Fuel Tank Large Leak
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| Help Request | Posted | |
| 2000 BMW 528i 2.8L MIL Lamp on VIN: WBADM6344Y P1423: secondary air system low flow bank 2. air pump activated, good output. ck valve tested good. Vacum supply good from solenoid. what causes these codes to keep coming back even though every thing checks out? Any help appreciated. |
March 26, 2008 |
