Hyundai GENESIS COUPE BK 2010 Manual page 944

3. Are all timing marks alligned correctly ?
▶ Go to "Check Fuel Pressure" as below.
▶ Check that Cam, Crank and Oil pump sprocket timing marks are correctly aligned. Repair or
readjust as necessary and go to "Verification of Vehicle Repair" procedure.
■ Check fuel pressure
1. Be cautious that Fuel is explosive and an empty fuel tank can still contain explosive gases. When working on
fuel system make sure to supply adequate ventilation to the work area. Do not smoke, and keep sparks and
open flames away.
2. The fuel system remains under pressure when the engine is not running. Release fuel system pressure before
disconnecting any fuel line to reduce the chance of presonal injury or fire damage to vehicle components.
1. IG "OFF" and disconnect Fuel Pump Relay in Junction Box.
2. Start-up and wait until it stops itself.
3. IG "OFF" and connect Fuel Pump Relay.
4. Install the fuel pressure gauge to the delivery pipe with the fuel pressure gauge adaptor.