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P1400 code Dpfe

   
Old Jun 2, 2009 | 09:18 PM
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pamela's Avatar
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Default P1400 code Dpfe
Would p1400 code dpfe low input voltage make my car run rough and could bad gas cause this?
 
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Old Jun 3, 2009 | 06:18 AM
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Bad gas will not cause the P1400. Bad gas can cause the car to run rough though. The P1400 is usually caused by a bad DPFE sensor or the EGR passageways clogged. Ford's DPFE's are prone to failuer. As for the running rough, when was the last tune up done on the car, including all filters?
 
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