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P0402 Diagnostic Trouble Code Discussion for March 2011

EGRC-BPT Valve Function

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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1999 Ford Taurus LX 3.0L Hesitation, Misfire VIN: 1FAFP53U1X
P0402: . customer brought car in for check engine light ran fine. code p0401 insufficent flow for egr. pressure sensor read .12v so replaced it. went to 1.10v and let car go. car came back the next day running rough and cel back on. egr valve getting 10 inches of vaccu...
March 09, 2011