2000 BMW 528i 2.8L MIL Lamp on
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.
Summary posted 3/27/2008
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Vehicle Data2000 BMW 528i
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2000 BMW 528i
VIN | WBADM6344Y |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P1421 | Cold Start Control |
P1423 | Fuel Tank Large Leak |