Hyundai Sonata: Fuel Pressure Control Valve. Description and Operation
Description
Fuel Pressure Regulator Valve is installed on the high pressure fuel pump
and controls fuel flow flowing into the injectors in accordance with the ECM
signal calculated based on various engine condition.

Variable Intake Solenoid (VIS) Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the VIS valve connector.
3.
Measure resistance betwe ...
Fuel Pressure Control Valve. Specifications
Specification
Item
Specification
Coil Resistance (Ω)
0.5 [20°C(68°F)
...
See also:
Rear combination lamp. Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear combination lamp cover (A).
3.
...
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
But fuel-efficiency can be changed by the driver's driving habits and road conditions.
When the Active E ...
Automatic-dimming function
Your mirror will automatically dim upon detecting glare from the vehicles traveling
behind you. The auto-dimming function can be controlled by the Dimming ON/OFF Button:
1. Pressing and hold the bu ...
