Hyundai Sonata LF: Fuel Delivery System / Fuel Pressure Sensor (FPS) Description and Operation
Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Pressure Sensor (FPS) Description and Operation
| Description |
The fuel pressure sensor (FPS) is installed on the top of the
low pressure fuel pump and measures the pressure in the low pressure
fuel line.
Based on the fuel pressure measured by the FPS and the amount
of fuel consumed, the fuel pump control module (FPCM) determines
whether to activate the low pressure fuel pump.
After activating the low pressure fuel pump, the FPS
continues to provide the fuel pressure information to the FPCM and the
FPCM keeps controlling the fuel flow rate using the feedback information
from the FPS.
Fuel Pump Control Module (FPCM) Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. emove the rear seat cushion. ( Refer to Body - "Rear Seat Assembly") 3...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Evaporator Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. After loosening the bolts remove the main crash pad and cowl cross bar assembly together. (Refer to Heater -"Heater Unit") 3. Remove the heater and blower assembly. (Refer to Heater -"Heater Unit") 4...
Hyundai Sonata LF 2014-2019 Service Manual: Turbo Charger Repair procedures
On-vehicle Inspection Turbocharger Diagnostic Flow If any problem related with turbocharger, such as lack of engine power, poor acceleration, abnormal engine noise or oil leaks, may occur, check the turbocharger according to the procedure as follows...
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