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Power Strokes
7.3 Tech
fuel pressure/ pump issues
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[QUOTE="Short Bus, post: 1145584, member: 95"] Scratch previous post, I forgot to put relays back in. Apparently the one in dash is in fact the fuel pump relay. All is good now. Key on and I have good voltage for 20 seconds then it drops back down to 7 vdc. Cycle key back off and then on, volts go back to 13 for 20 seconds. Looks like we have a bad pcm [/QUOTE]
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