Lift Pump Going Bad or TPS?
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Lift Pump Going Bad or TPS?
What are some of the signs of a Lift Pump goin out? I can be driving down the road and it will spit & spuder. I can hold the pedal to the floor and it stays @ 2k RPM and still cuts out. I don't have a FPG or anything so how will I be able to tell. I would like to know FOR SURE before I spend money I don't have on a new one. Thanks!
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I've got the same problem. The truck will start fine, and run then the fuel pressure will drop until the bd pump on the frame rail kicks in. Checked the lift pump and its getting the voltage and pumps when you first turn the ignition even swapped pumps and i'm still getting the same thing. any help?? Could this be the TPS sensor?
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