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Hyundai Equus: Injector Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2021 Service ManualHyundai Equus: Injector Description and Operation

Description
Based on information from various sensors, the ECM can calculate the fuel amount to be injected. The fuel injector is a solenoid-operated valve and the fuel injection amount is controlled by length of injection time. The ECM controls each injector by grounding the control circuit. When the ECM energizes the injector by grounding the control circuit, the circuit voltage should be low (theoretically 0V) and the fuel is injected. When the ECM de-energizes the injector by opening control circuit, the fuel injector is closed and circuit voltage should momentarily peak, and then settle at system voltage.

    Fuel Tank Pressure Sensor (FTPS) Repair procedures
    Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the FTPS. Specification: Refer to "Specification" Removal 1. Turn the ignition swit ...

    Injector Specifications
    Specification ItemSpecificationCoil Resistance (x)1.08 ~ 1.23 [23∞C(73.4∞F)] ...

    See also:

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    System operation
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