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P1402 Diagnostic Trouble Code Discussion for May 2008

EGR System Malfunction Detected (Open)

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Trouble Ticket Help Requests for DTC P1402
Help Request Posted
2005 Nissan Altima SE-R 3.5L Poor Idle Quality VIN: IN4BL11DO5
P1402: e.g.r. flow detected. ... not fimiler with nissan it has p1402 egr system flow detected and i think the e.g.r. might be stuck open but nissan says they never had to replace the e.g.r. valve they just cleaned the e.g.r. passages and this fixed the problem. any tips, thanks.
May 05, 2008