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Sorry didnt think that went through the first time. and I dont have a code reader. Check engine light is not on.Got a new map sensor, still running terrible. running rich but FPR is brand new and fuel pressure tested fine. O2 sensor?
Fuel pressure tested OKTriple checked, still just getting a steady light. I unplugged the fuel pump relay and started the engine, and it ran almost perfectly until it lost all pressure. Do you think the Brand new fuel pressure regulator could be bad?? I never checked the fuel pressure with the new one installed.