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P0401 Diagnostic Trouble Code Discussion for October 2011

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2000 Toyota Camry LE 2.2L MIL Lamp on VIN: 4T1BG28K3Y
P0401: EGR System Insufficient Flow Detected. Hello all This car came in for a/f sensor code,I replaced a/f sensor ,it ended up taking calif. emissions sensors because of the plug on the sensor,this car doesnt have calif. emissions as far as I can see.Now I have this po401 code and check engine light on.W...
October 02, 2011
2009 Volkswagen Jetta TDI 2.0L MIL Lamp on VIN: 3VWAL71K69
P0401: Insufficient egr flow. Veh sets code P0401 (01025). Veh is new to customer, has new EGR. Mitchell has no info for this Code. Watched desired and actual flow on VAG com, they match or are within 100 of each other. Any info would be appreciated.
October 07, 2011
2000 Saturn LS2 3.0L MIL Lamp on VIN: 1G8JW52R5Y
P0401: Insufficient EGR Flow Detected. ... check engine light fixed. pulled code #P0401 for EGR system. has .74v at all time and duty cycle is 0. checked all wiring. all powers and grounds are good. has no other running issues and idles fine.
October 12, 2011