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Power Strokes
6.0 Tech
Low Boost and a P2262
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[QUOTE="kmapro, post: 1550321, member: 33324"] 05 250 FX4 Driving home the other day, let off the accelerator due to traffic - when I got back on it, there was an audible difference (from under the hood) and a very low boost condition. Truck did not immediately throw a P2262 code. This actually took a couple of trips. Unrelated, the radiator developed a crack (plastic top) and started spewing coolant about the same time the boost went out. I have since replaced the radiator with an all aluminum one. The boost issue still remains. As a disclaimer - I know the EBP sensor has been out for a while. Just found out that one of the wires has been unhooked since install about a year ago. I have little-to-no boost in the lower RPM range. At WOT, I have about 8-9 psi. I have checked the air filter inlet connection and it is good. I just replaced the turbo-intercooler (hot side) boot coming off the passenger side of the turbo. I have cleaned and assured positive connection at the MAP sensor. I have checked to make sure the connection at the valve cover (MAP hose) is there, but have not physically pulled the hose and checked for any damage. At KOEO: FMP - 47.5 v ICP-V - 0.2 v MAP - 14.1 psi Baro - 14.1 psi VGT - 0 IPR - 14.7 Boost - 0.1 At KOER: HPOP - 776.3 psi FMP - 47.5 v ICP-V - 1.0 v MAP - 13.9 psi Baro - 14.1 psi VGT - 46.8% IPR - 27.1% Any help in identifying this problem would be greatly apprciated. [/QUOTE]
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