P1405 Diagnostic Trouble Code Discussion for March 2006
DPFE Sensor Upstream Hose Off or Plugged
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| Help Request | Posted | |
| 1998 Ford E-250 Econoline 4.2L MIL Lamp on VIN: 1FTEPE2421 P1405: DPFE upstream hose off. ... this one, came in with P0401 and P0402 stored. I did NOT clear codes, yet. Ran KOEO test, passed. Ran KOER test, it also passed. Although the rpm did not change as much as I'd have liked when the EGR was open. I manually opened the valve using a vacuum p... |
March 28, 2006 |
