× 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

P0204 Diagnostic Trouble Code Discussion for February 2012

Fuel Injector 4 Control Circuit Malfunction

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 P0204
Help Request Posted
2001 GMC Sierra 2500 HD SL 6.6L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GTHK23171
P0204: Fuel Injector 4 Control Circuit Malfunction. Having problems with connecting scan tool to this vehicle and running function tests. I first used and OTC , when trying to perform cylinder kill test , kept kicking me out of the system - no comunication ect. Purchased a MDI from Bosch w/tech II on lap top - ...
February 09, 2012
2007 Dodge Ram 3500 ST 5.9L Misfire, MIL Lamp on VIN: 3D3MX48C17
P0204: Inj 4 open. ... that felt like a misfire. Scanning the ecm showed codes p0204, p2149. We replaced injector #4 and still had the same vibration. Upon further road testing we felt that maybe the vibration was a balance problem. We read up on...
February 13, 2012