P0411 Diagnostic Trouble Code Discussion for November 2011
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2009 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS33S69 P0411: secondary air injection system incorrect air flow. i git this trailblazer 09 with 4.2 code p0411 i have changed vave,pump with dealer parts checked all hoses and connections checked up stream 02 with air command on 02 goes to 0mv phase 1 test pressure is 113kpa baro is at 101kpa phase 2 test is 118kpa.im prett... |
November 01, 2011 | |
| 2006 Volkswagen Rabbit 2.5 2.5L MIL Lamp on VIN: WVWBS71KX6 P0411: secondary air injection system incorrect detected. vehicle keeps popping code PO411. i am able to activate pump with scanner, I feel slight air draw from intake air port. I know there should be a good suction coming from the intake air tube.., but the problem is the pump will not come on when vehicle is cold..... |
November 04, 2011 | |
| 1998 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUBA34B6W P0411: 2nd air flow fault. When system is engaged with modis, the left side is 70% and the right side is 45%, then the system shuts off, set code#po411. Since we have replace all valves, solenoids and vacuum hoses,bypas other system and swapped o2 sensor left to right, why the reading i... |
November 08, 2011 |
