× 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

P1400 Diagnostic Trouble Code Discussion for April 2010

Cold Start Emission Reduction Control System

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 P1400
Help Request Posted
1998 Subaru Legacy Brighton 2.2L MIL Lamp on VIN: 4S3BK4251W
P1400: Fuel Tank Pressure Control Solenoid Circuit Low. I followed mitchell's flow chart 3 times, confirming what i already knew. terminal 10 at PCM is less than 10 volts. Resisntance between vent solenoid and ground is infinate, between vent and Pcm is less than 10 Ohms, about 1 ohm. Seloniod resistance of vent is...
April 22, 2010