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P1406 Diagnostic Trouble Code Discussion for June 2016

EGR Valve Pintle Position Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
2002 Ford E-150 Econoline 4.2L Misfire, MIL Lamp on, low power VIN: 1FTRE14252
P1406: DPFE Sensor downstream hose off or plugged. I close to lighting this one on fire. Starts and idle great will rev strong in park but under a load it falls on its face and sputters and pops back into the intake. Scoped the camp crank sensors with nice clean waveform at idle and when under a load but was o...
June 07, 2016