P0401 Diagnostic Trouble Code Discussion for October 2013
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2001 Ford Ranger Edge 3.0L Surge, MIL Lamp on VIN: 1FTZR15U41 P0401: Egr flow. Replaced egr tube,came back with p0401 p1408 codes,found .1v on dpfe sensor wire replaced dpfe with ford part now have 1.0v,still fails koer test,have no voltage change on test drive with scanner,or at sensor with volt meter and vaccum pump,egr valve good,almo... |
October 25, 2013 | |
| 2001 Ford Ranger Edge 3.0L Surge, MIL Lamp on VIN: 1FTZR15U41 P0401: Egr flow. Replaced egr tube,came back with p0401 p1408 codes,found .1v on dpfe sensor wire replaced dpfe with ford part now have 1.0v,still fails koer test,have no voltage change on test drive with scanner,or at sensor with volt meter and vaccum pump,egr valve good,almo... |
October 28, 2013 |
