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Re: Quickie on fuel pressure reg & hard warm start
I am having the exact same problem with my 99 5.3 Silverado and I can't figure it out. I did replace the Fuel Pressure Regulator and I have had no luck yet. Someone told me that it might be a bad relay switch that is telling the PCM that my oil pressure is too low to start. Still troubleshooting that idea. If I figure it out I will let you know.
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