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P1406 Diagnostic Trouble Code Discussion for September 2004

EGR Valve Pintle Position Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
1994 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W0R
P1406: dpfe back pressure hose off or pluged. ... have a continuous memory code p1406.have checked and tested all of the common causes for this and still striking out.over the last couple of days we have cleaned the egr port below the throttle body,replace the back pressure hoses,cleaned ports on egr orif...
September 20, 2004
1994 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W0R
P1406: dpfe back pressure hose off or pluged. ... have a continuous memory code p1406.have checked and tested all of the common causes for this and still striking out.over the last couple of days we have cleaned the egr port below the throttle body,replace the back pressure hoses,cleaned ports on egr orif...
September 22, 2004
1994 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W0R
P1406: dpfe back pressure hose off or pluged. ... have a continuous memory code p1406.have checked and tested all of the common causes for this and still striking out.over the last couple of days we have cleaned the egr port below the throttle body,replace the back pressure hoses,cleaned ports on egr orif...
September 20, 2004
1994 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W0R
P1406: dpfe back pressure hose off or pluged. ... have a continuous memory code p1406.have checked and tested all of the common causes for this and still striking out.over the last couple of days we have cleaned the egr port below the throttle body,replace the back pressure hoses,cleaned ports on egr orif...
September 22, 2004