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i had a ridgeline at work a couple of weeks ago that didn't have fuel pressure, after removing the rear seat to check wiring the fuel pump suddenly started working. I jostled the ground wire when i removed the rear seat. The bolt holding the ground wire on to the frame, was loose enough to turn by hand. Point is check your wiring including grounds. A brand new fuel pump won't work if it dosen't get power and ground. Verify power at pump connector, pcm only sends power for three seconds when key is first turned on. Then verify ground side by measuring resistance between connector and known good ground.