P0091 Code

Solving the car engine problem is necessary thing but for solving the car engine problem, getting the real meaning of the engine P0091 Code is necessary thing to know. There are several reason to initiate the car engine problem and those are Faulty fuel pump, Faulty PCM, Faulty fuel pump relay, Faulty electric fuel pressure regulator, Restriction in the fuel filter or other parts of the fuel system, Damaged wiring such as a short to ground and Fuel tank low on fuel. You have to check the car engine to identify the car engine problem easily and after solving the car engine, take the car for a test drive.