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P0402 Diagnostic Trouble Code Discussion for August 2006

EGRC-BPT Valve Function

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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
2002 Nissan Frontier 2.4L Poor Fuel Economy, MIL Lamp on VIN: 1N6DD26S22
P0402: egr. ... of fuel milage loss of power & mil. only code p0402 customer does indicate & times it runs fine but still less fuel milage egr valve has been replaced 60 mi. later mil. back on, back pressure transducer appears to function ok as does solenoid, left...
August 01, 2006
1999 Mazda Miata 10th Anniversary 1.8L MIL Lamp on VIN: JM1NB3534X
P0402: egr excessive flow. Vehicle came in with mil lamp on p0402. EGR Excessive flow. After researching a bulletin in alldata and reading a 5 year old post on IATN I decided to pull the Plenum (surge tank) and examine the egr passages. Yes they were carboned up. I cleaned them out wit...
August 15, 2006
1999 Ford F-150 Lariat 5.4L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1FTRX18L3X
P0402: excessive egr flow. switched out #1 coil to #4 coil checked computer then siad number 1 miss fire so bought new coil put on place of #1 and ran great for a couple of weeks then bang run the same as last month checked computer and #4 missfire agian
August 26, 2006
1997 Nissan Pickup XE 2.4L MIL Lamp on VIN: 1N6SD11SOV
P0402: EGRC-BPT Valve Function. car came in with code po402 change egr,egr solinite,bpt valve and motor vac clear code send car out came back a few days later can any one help me
August 30, 2006