System Inspection

WARNING: This page is about a different variant/trim than selected.

■ High Pressure Fuel Pump performance Inspection

Connect GDS to DLC (Data Link Cable).
Warm up the engine to normal operating temperature.
Monitor "Fuel Pressure" parameter on the "Current Data" with GDS.
Specification: The fuel rail pressure will be increased while accelerating the vehicle.

Fig 1: Screen Display - Normal Current Data At Acceleration And Deceleration
Courtesy of HYUNDAI MOTOR AMERICA
Is the parameters displayed correctly?
YES
- Check injector for leakage, If there is leakage, repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- If there is no leakage at injector, go to "Component Inspection" procedure below.
- Check high pressure fuel pump referring to shop service information and if necessary, repair or replace and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.