Compression Ignition Addict
Join Date: Jul 2009
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Truck losing power under load, please help!
Two days ago I started experiencing a loss of power and shaking under load. It doesn't happen all the time, mainly after a 30+ minute drive and when going up hills. It starts out as a minor miss and then eventually the entire truck will start shaking and I will lose all power. At that point I have to pull over and let it idle for a while and then I can normally go again for a short distance but it will come back as soon as I have to accelerate moderately. During this time the EGTs go through the roof and today when it happened my OD off light started blinking. I replaced my ICP sensor as it had oil in it but that didn't make a difference. I also just went from the 1st Gen RiffRaff FRx to the 2nd Gen. I contacted Clay and he said that the FRx can't cause this problem. I picked up a new fuel pump from Napa today, but before I install that I wanted to find out if anyone had advice for me. Since the new FRx runs at a higher PSI I am wondering if my stock pump is wearing out and can't handle it? Thanks in advance for any help!
2014 F150 SCREW XLT 4x4 Ecoboost.