05 f250 5.4L loss of power 3000-4000 rpm - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars

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05 f250 5.4L loss of power 3000-4000 rpm

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11-06-2012, 13:24	#1 (permalink)
zmatt1 Registered User Join Date: Jul 2012 Posts: 9	05 f250 5.4L loss of power 3000-4000 rpm Losing major pickup at 3000-4000 rpm but only seems to be at wot. Tested at half throttle and didn't seem to be a loss. At wot feels like a misfire but figured it would be the same at half throttle. Any input?

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11-06-2012, 13:49	#2 (permalink)
Bert 2002 F150 XLT Join Date: Nov 2008 Location: Oregon Posts: 9,107	Re: 05 f250 5.4L loss of power 3000-4000 rpm Have you replaced the fuel filter? Also, the WOT has a fuel cutoff to prevent over revving. __________________ Bert

11-06-2012, 16:10	#3 (permalink)
zmatt1 Registered User Join Date: Jul 2012 Posts: 9	Re: 05 f250 5.4L loss of power 3000-4000 rpm Fuel, filter has been changed. This is happening while driving, so there should be no issue with over revving

11-06-2012, 17:14	#4 (permalink)
CatSkinner Dazed and Confused Join Date: May 2012 Location: Upstate New York Posts: 1,955	Re: 05 f250 5.4L loss of power 3000-4000 rpm Scan for codes to see if you going lean or rich. __________________ Prius repellant, just add gas.

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