P0411 Diagnostic Trouble Code Discussion for May 2010
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2005 Ford Focus ZX4 2.0L MIL Lamp on VIN: 1FAFP34N05 P0411: secondary air polution system fault. ... only the engine light is on code p0411 for faulty air pollution system. no code with key on engine off. code p0411 with koer. pump runs and pumps. vacuum is good to solenoid. solenoid works, from which the vacuum flows to diverter valve and pumped air flow... |
May 31, 2010 |
