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Re: 5.3 factory harness with carburetor?
Well, you cant test injectors by how bright or dim a noid light is. Like the other guy said, if it ran on a stand, and has been sitting for a while, it's possible that some or all of the injectors are stuck. Also, 50psi is a touch on the low side for fuel pressure, it should be around 58 or so.
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