I have a 2006 Chevy Tahoe 5.3 Non-Flex fuel. I’ve just replaced my fuel pump but now I’m not getting any fuel pressure. I can here the pump priming but the Tahoe won’t start. I’m getting gas at the fuel rails but nowhere near the 55 to 62 psi. I was going to check the fuel pressure sensor but there isn’t one on the fuel rail like most 5.3 engines. I’ve heard other Chevys have the fuel pressure regulator in the fuel pump, but I don’t have one there either. I’ve triple checked all my lines for leaks too and found nothing. Any ideas on why I’ve lost fuel pressure or why my car won’t start?
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