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P1400 Diagnostic Trouble Code Discussion for May 2008

Cold Start Emission Reduction Control System

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Trouble Ticket Help Requests for DTC P1400
Help Request Posted
2001 Lincoln Town Car 4.6L MIL Lamp on VIN: 1LNHM81WX1
P1400: EGR Valve flow ineffc. ... for bout a week now and its really stumping me. heres the thing. car came in with a P1401 code stated voltage too high and too low for EGR, so came up wit the EGR Soinoid. Replaced it and reset the monitors. Drove the car around the city and some highway ...
May 21, 2008