× 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

P0402 Diagnostic Trouble Code Discussion for July 2009

EGRC-BPT Valve Function

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 P0402
Help Request Posted
2001 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FMPU18L51
P0402: EGR flow excessive detected. ... a P0402 Code. Replaced the EGR Valve and DPFE. No change. Owner took to dealer and they disconnected the EGR valve vacuum line and the vehicle runs fine. This vehicle recently had the intake manifold gaskets replaced (not by us) and we found a burn through...
July 14, 2009