× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0411 Diagnostic Trouble Code Discussion for May 2010

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
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