So I recently did a topswap on my 2005 Buick Allure, and it runs real good. But for aome reaaon my injector pulse width just drops after 5700 rpm in WOT. I dont feel like its a sensor issue, and if I try to command more fuel it still just drops. This is causing leaning out. I checked the fuel pressure while going into WOT. It stays at 58-60 psi. I do have 60lb injectors in right now. I dont know if there is a bad ground or something else going on. Any ideas on where to start my diagnostics?
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