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2002 Chevy 2500 lb7 215k miles
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Discussion Starter · #1 ·
I have a 2002 Chevy 2500hd lb7 with 220k miles on it. Injectors we’re done at 180k miles, new cp3 pump was installed at the same time, fuel lines have been replaced, fuel filter housing has been replaced, a Fass pump has been installed, new FPR. Pretty much everything you can think about for the fuel system has been done. However after running great all of a sudden I have a crank no start issue with a p0090 code. I diagnosed the wiring from the ecm to the FPR as having no continuity so I replaced both wires that go from the ECM to FPR. Still has p0090 code and no start. Replaced the ECM with a new one from Flagship 1 still have p0090 code and no start. Where do I go from here? I need the truck for a long haul across country soon. Thank you
 
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