P1406 Diagnostic Trouble Code Discussion for November 2008
EGR Valve Pintle Position Circuit Malfunction
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| Help Request | Posted | |
| 1997 Ford E-350 Econoline 5.4L MIL Lamp on VIN: 1FBJS31L5V P1406: dpfe upstream hose plugged disconnected. Vehicle passes KOER test but sets CODE P1406 when driven on highway.Checked DPFE hoses,both connected & no kinks or blockages,both utbes on EGR tube are open and I get pressure on both w/engine running. If I open the egr valve I get vacume @ the downstream... |
November 14, 2008 |
