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Hello everybody: This is my first post on the X site. I have been a big ford guy for the past 15 years. I just purchased a used 2001 X with the v-10. The vehicle was working perfect until last week when it decided to not allow any rpm from about 2200rpm on. I changed the TPS sensor with no resolve. I checked the cat in the exhaust and it's not clogged as best I can tell. Changed fuel filter, nothing. It was running perfect and then the problem started. There is no check engine light on and will not throw a code. Any suggestions would be great.
Sorry to hear about your problem but you will need to post your question in the tech forums since this one is used for introductions. Click on the forums tab at the upper left and a list of forums will be displayed. I suggest trying this one: https://www.ford-trucks.com/forums/forum29/
There is also a V10 engine forum that may help you.