P1406 Diagnostic Trouble Code Discussion for September 2004
EGR Valve Pintle Position Circuit Malfunction
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| 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 |
