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P0401 Diagnostic Trouble Code Discussion for March 2007

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2000 Toyota Camry CE 2.2L MIL Lamp on VIN: JT2BG22K6Y
P0401: EGR System Insufficient Flow Detected. Have insuff. flow code. Valve is lifting off-idle, (only about 2" vac. when powerbraking or running on lift). Passages are clear. Vac supply to transducer good, map sens vac. supply good. VSV is intact along with all related vac. hoses. I know VSV is probl...
March 26, 2007