I kept getting a code (E-450, 2006) Fuel Pressure Regulator Sensor. Changed the sensor, helped for a while. Got it again, changed the Fuel Filter, that did real good. But then on our last day visiting family in Dickinson, ND (back in May 2023), as I left I got it again. Took it by B-I-L on our way out (Belfield), he has a mechanic shop. He checked it all, cleared the code and got to talking about what it might be. He mentioned water in the fuel. Well, when we got into town in Dickinson, I filled the RV very full and it was a very rainy time doing this. Anyway he cleared the code and so far, we have not had a recurrence of the code.
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