× 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
Cummins 3225 fault code
Posted to HD/Fleet Forum on 8/19/2025 1 Reply

Hello HD fans,

Been dealing with this 3225 fault code for awhile. It's for air purge valve mechanical issues. Working on Cummins ISX15 with 560K miles. I have replace the air purge valve, fuel shut-off valve, doser injector in sequential settings. I have con... Login to read more.

1 Replies Received (View Replies)

 

car Vehicle Data

2015 Kenworth T680 14.9L

VIN 1XKYD49X7F
Engine14.9 L

car Vehicle Data

2015 Kenworth T680 14.9L

VIN 1XKYD49X7F
Engine14.9 L