My 2007 E450 RV is showing a PO 191 code, will not start, what is the most likely fix?

Question

Ran great, we stopped for a week and did not start the engine, got ready to leave and it just spins over, getting a PO191 code, the genset runs fine, 3/8 fuel in tank. any ideas/ fixes?

Answer 1

HI there,

This is likely a failed fuel pump. The code is for the fuel pressure sensor. If there isn't any fuel pressure you will get that code.