ok so before my truck spudder no power lift pump good so i changed the fuel injection pump run good for a while and now when is on neutral just touching the gad and the motor rev up to the roof and when i go down the hill the motor spuddle but up the hill underload run ok so what going on guy thing is he fuel pump again ? i installed a rebuild one as to be the fuel pump again running ruff too
You said that there is no power to LP, did you fix it?
The LP and IP have no commonality in terms for no power to LP and you change the IP to fix the LP, it is not related electrically.
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