How Do I Fix Error P0191?

How Do I Fix Error P0191? Replacing the fuel pump. Replacing the fuel pressure regulator. Repairing any broken, frayed, or shorted wires that lead to the fuel pressure sensor. Repairing corroded connector to the fuel pressure sensor. Replacing fuel pressure sensor. Repairing any vacuum leaks in the engine. Where is the fuel pressure sensor located?

What Is P0440 Evaporative Emission System?

What Is P0440 Evaporative Emission System? P0440 is an OBD-II generic code that the engine control module (ECM) has detected a leak in the fuel tank vapor system or a vapor pressure sensor has malfunctioned. How much does it cost to replace the evaporative emissions? The fuel evaporative system (EVAP) controls emission by housing vapors