Join Now
International Automotive Technicians Network

P0411 Diagnostic Trouble Code Discussion for October 2006

Secondary AIR System Incorrect Airflow Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0411
Help Request Posted
1996 Ford E-150 Econoline 4.9L MIL Lamp on VIN: 1FTEE14Y3T
P0411: sai system. i have smoked found broken hoses and replace valve because of leak down , airb and aird combination valve, code returned . can any ford techs lead me in correct direction , i hace a code po411 sescondary air is there any specific test i can run to detect probl...
October 13, 2006
1997 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWMB81H6V
P0411: improper flow. I replaced air pump as it was full of water. Installed new one--still getting water. Air box is good, I suspect the valve in the air box...any other ideas?
October 17, 2006
1996 Ford E-250 Econoline 4.9L MIL Lamp on VIN: 1FDHE27Y8T
P0411: Secondary air Mechanical pump. We are third man in on this one. I found the vacuum tank was broken not allowing vacuum to solenoids. Replaced tank and then had 18" vacuum to vacuum ck valve and 10" after that to AIRD/AIRB solenoids. Passed all pinpoint tests as per Mitchell. Upstrea...
October 18, 2006
2000 Lincoln LS 3.0L MIL Lamp on VIN: 1LNHM86S3Y
P0411: secondary air injection flow. Hello Group: This car has no other performance problems and runs good at all speeds and loads. I have checked the whole system twice and have found absolutey no problems. Today I connected battery power directly to the air pump and vacuum to the diverter valv...
October 25, 2006
1996 Ford E-150 Econoline 4.9L MIL Lamp on VIN: 1FTEE14Y3T
P0411: sai system. i have smoked found broken hoses and replace valve because of leak down , airb and aird combination valve, code returned . can any ford techs lead me in correct direction , i hace a code po411 sescondary air is there any specific test i can run to detect probl...
October 13, 2006
1997 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWMB81H6V
P0411: improper flow. I replaced air pump as it was full of water. Installed new one--still getting water. Air box is good, I suspect the valve in the air box...any other ideas?
October 17, 2006
1996 Ford E-250 Econoline 4.9L MIL Lamp on VIN: 1FDHE27Y8T
P0411: Secondary air Mechanical pump. We are third man in on this one. I found the vacuum tank was broken not allowing vacuum to solenoids. Replaced tank and then had 18" vacuum to vacuum ck valve and 10" after that to AIRD/AIRB solenoids. Passed all pinpoint tests as per Mitchell. Upstrea...
October 18, 2006
2000 Lincoln LS 3.0L MIL Lamp on VIN: 1LNHM86S3Y
P0411: secondary air injection flow. Hello Group: This car has no other performance problems and runs good at all speeds and loads. I have checked the whole system twice and have found absolutey no problems. Today I connected battery power directly to the air pump and vacuum to the diverter valv...
October 25, 2006