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kratedisease's avatar
kratedisease
Explorer
Aug 14, 2015

Ford V10 engine surging idle and power , help please ??

I have a 2000YR ford V10 chassis on a thor hurricane. The RV has 25,000 miles. When we recently took a trip from New York to Nashville TN, I noticed that the engine surges a bit at idle. Even d...
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tderonne's avatar
tderonne
Explorer
Aug 16, 2015
The DPFE sensor (for the EGR system) often gets clogged, or full of water and stops working. That will usually set codes though.

The EGR valve itself can fail. If it fails open, it will idle rough, but drive OK in most modes. (The EGR is should be closed at idle.) You can remove the EGR valve, plug the port and see if it idles better. If it does, replace the valve.

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