× 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

P1404 Diagnostic Trouble Code Discussion for January 2006

EGR Position Sensor Rationality Closed

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 P1404
Help Request Posted
2001 Buick Century Custom 3.1L MIL Lamp on VIN: 2G3WS52J01
P1404: EGR Valve Closed Position Performance. Hello all this buick was handed to me after failing emission test for state ins. Ran flow chart for code and came up with bad egr valve.Replaced valve with a/c delco same prob. Ecm shows zero comand and sensor sig. shows 12% the learned minimum shows 0.47 and ...
January 06, 2006