P1664 FORD: INJECTION PUMP CONTROL MODULE FAULTY
POST UPDATED IN January, 2023
P1664 FORD: INJECTION PUMP CONTROL MODULE FAULTY
The Fuel Pump Control Module controls the voltage that is sent to the car’s fuel pump. Therefore, by controlling the voltage, the module can maintain optimum fuel pressure and fuel delivery to the engine throughout its operating range.
On an ongoing basis, the Fuel Pump Control Module goes through several self-tests. If in one of these tests a malfunction is detected by this controller, the fault code P1664 OBD2 will be set.
Reasons for setting the P1664 OBDII diagnostic code:
To solve the P1664 OBD2 DTC, consider the following steps: