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P1400 Diagnostic Trouble Code Discussion for August 2011

Cold Start Emission Reduction Control System

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Trouble Ticket Help Requests for DTC P1400
Help Request Posted
1999 Infiniti Q45 T 4.1L MIL Lamp on VIN: JNKBY31A3X
P1400: EGR Control Solenoid Circuit Malfunction. ... with a p1400 code. system works fine now but i would like to know where the egr soliniod is. mitchell says top rear of engine but after following vac line looks like under intake. can someone verify please. thanks in advance
August 22, 2011