Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
Ignition System
SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK) Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requi ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Variable Intake Solenoid (VIS) Valve Description and Operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on
the intake manifold. The VIS valve controls the vacuum modulator which
activates a valve in the intake manifold. The ECM opens or closes this
valve according to engine condition (Refer to below table).
Engine condi ...