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Old 05-21-2007, 09:03 PM   #1
396 SS
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Join Date: Feb 2005
Location: Cameron, Ok.
Posts: 112
2000 5.3 with a miss. Need Help.

I have already put new plugs and wires, new fuel filter. The code is showing random missfire. I checked fuel pressure and it is showing only 47 psi when it should be 55-62 psi. Will this cause a missfire?
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