There are fewer and fewer individual control units as they are now integrated into other control units that encompass more systems.
DEFINITION
Component in charge of managing and controlling the operation of the high pressure fuel pumps.
LOCATION
The location of the fuel pump control unit may vary by vehicle manufacturer and model, but in most cars, the fuel pump control unit is located in the engine management system.
COMMON FAULT SYMPTOMS
- Power supply problems
- Failure in the internal electronics
- Sensor failure
- Sensor failure
- Programming or software errors
- Voltage problems
- Physical damage
- Overheating
- Aging
FAULT EFFECTS
- Starting problems
- Loss of power
- Inefficient fuel consumption
- High emissions
- Irregular engine behavior
- Warning lights on dashboard
- Difficulty maintaining a constant speed
- Difficulty in throttle response
