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P0411 Diagnostic Trouble Code Discussion for January 2009

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2000 Lincoln LS 3.0L MIL Lamp on VIN: 1LNHM86S9Y
P0411: secondary air inj incorrect flow. ... the California smog check due to a mil lamp on & a code p0411(secondary air inj incorrect flow). I have verified that the pump is working & that the air injection diverter works & that the vac solenoid which supplies vacuum to the diverter is w...
January 28, 2009