2003 ford taurus trouble code p0 0191

Question

2003 ford taurus v-6 engine trouble code PO 0191

Answer 1

P0191 Fuel rail pressure sensor circuit range / performance

With this code condition you need to check the fuel pressure, if it is not within specification a fuel pump and filter may be required.The specification is 35 psi to 55 psi key on engine running and 26psi to 45 psi with engine running.