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P 1401 code…Help

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Old 02-19-2005, 03:08 PM
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P 1401 code…Help

It’s not the gas cap and I never fuel with engine running.

What else could it be?

2001, F 150, 4.6L, 87,000
 
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Old 02-19-2005, 09:34 PM
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Do a search of the forum. Theres a lot on this problem.

I tried to post a link but it wouldn't let me.
 
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Old 02-21-2005, 11:48 AM
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Update...

Replaced the DPFE sensor and no longer throwing code P1401 Make sure you get Ford’s latest part (4U7Z-9J460-AA) for a 2001 F150 4.6L. Dealer gave me a discount $24.06, list $30.07.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-comfficeffice" /><o></o>

The DPFE (Differential Pressure Feedback sensor controls the flow to the EGR valve.
 
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Old 02-23-2005, 06:03 AM
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Actually, the DPFE MEASURES the EGR flow. The computer controls it via the EVR.

Steve
 




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