Opening the fuel filler door
The fuel filler door must be opened from inside the vehicle by pulling up the fuel filler door opener lever.
1. Turn the engine off.
2. Pull the fuel filler door opener lever up located on the floor, left side of the driver’s seat.
✽ NOTICE
If the fuel filler door does not open because ice has formed around it, tap lightly or push on the door to break the ice and release the door. If necessary, spray around the door with an approved de-icer fluid (do not use radiator anti-freeze) or move the vehicle to a warm place and allow the ice to melt.
3. Pull the fuel filler door out (1) to fully open.
4. To remove the fuel tank cap (2), turn it counterclockwise. You may hear a hissing noise as the pressure inside the tank equalizes.
5. Place the cap on the fuel filler door.
Closing the fuel filler door
1. To install the fuel tank cap, turn it clockwise until it clicks one time.
2. Close the fuel filler door until it is latched securely.
If the Malfunction Indicator Light ( ) comes ON, turn the engine off and check or retighten the fuel filler cap until it clicks once. If the Malfunction Indicator Light () does not go off, have your vehicle checked by your HYUNDAI dealer.
WARNING
Gasoline is highly flammable and explosive. Failure to follow these guidelines may result in SERIOUS INJURY or DEATH:
✽ NOTICE
CAUTION
If the fuel filler cap requires replacement, use only a genuine HYUNDAI cap or the equivalent specified for your vehicle. An incorrect fuel filler cap can result in a serious malfunction of the fuel system or emission control system.
Hyundai Tucson (LM) 2010-2015 Service Manual: Injector Troubleshooting
Signal Waveform
The three waveforms below are taken from the #1 and #4
injectors. The top waveform is from the high side (feed side) of the #1
and #4 injectors, while the middle waveform is from the low side (ground
side) of the #1 injector and the bottom waveform is from the low side
of ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Relay Box (Engine Compartment) Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Pull out the relay from the engine compartment relay box.
Power Relay (Type A)
Check for continuity between the terminals.
A : Blower relay
B : Horn relay
C : Cooling fan relay (Low)
D : Start relay
E : Burglar horn rela ...