High Fuel pressure in 2.3 ranger!
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High Fuel pressure in 2.3 ranger!
I have a 1990 2.3 4x4 manual ranger. I am now getting 80-85 psi fuel pressure. I just replaced the fuel pump because the old one quit. I've replaced the FPR and the relays under the fuse box by the battery. when the truck idles, the fuel pressure jumps around alittle and then eventually will drop to 0 psi and the truck will quit. I cannot figure out why the high pressure! Can anyone help?
