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P0400 Diagnostic Trouble Code Discussion for June 2005

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1996 Subaru Legacy GT 2.5L MIL Lamp on VIN: 4S3BK6758T
P0400: Insufficient EGR System Flow Detected. intermittant po400,egr modulator fills up with water,requiring replacement,have cleared metal lines of moisture,replaced valve and solenoid,what does the computer see to determine egr fault.
June 16, 2005
1996 Subaru Legacy GT 2.5L MIL Lamp on VIN: 4S3BK6758T
P0400: Insufficient EGR System Flow Detected. intermittant po400,egr modulator fills up with water,requiring replacement,have cleared metal lines of moisture,replaced valve and solenoid,what does the computer see to determine egr fault.
June 16, 2005