92 gmc code 54 help please

heavyduty282003 · 08-09-2009, 06:48 PM

hi have 92 gmc 5.7 liter 4x4 truck, my truck is throwing code 54 which is fuel pump realy, does any one know if that means I need to replace the fuel pump or does it have a bad wire some where, I have already changed fuel pump realy switch.....

Thanks..

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