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P0402 Diagnostic Trouble Code Discussion for January 2005

EGRC-BPT Valve Function


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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1999 Ford Taurus SE 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FAFP53S1X
P0402: egr ha s excessive flow. ... car came in on new years eve ( not significant)running rough , idling rough and with cel lite code p0402. after doing the usuaul under hood checks and a short road test. it started running fine however i noticed the egr vazlve was very hot but there was no...
January 02, 2005
2000 Ford F-150 XL 4.2L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on, rich exh. VIN: 1FTZF1824Y
P0402: egrexcessive flow detected idle. Hi gang,this sucka is running "RICH"!Customers complaint was;ck. eng. light has come-on+running rough,Pulled codes=po172+po175=both banks "system too rich. So i did the usual ck. of live data/ freeze-frame etc, power balance/compr. tests=o.k. , did...
January 20, 2005