How to check fuel smell occurs inside the car.

How to check fuel smell occurs inside the car at the same time engine hesitation and rough idling in hot condition.
Model : Hyundai Azera (TG)
Year Model: 2008
Fuel : Gasoline
Displacement: 3300cc
Subject: Fuel smell occurs inside the car and engine hesitation and rough idling in hot condition.
1) Condition

1. Fuel smell occurs inside the car during hot condition.
2. Engine hesitation occurs when acceleration in hot condition.

 2) Cause

1. Due to purge control solenoid valve malfunctioning.

3) Diagnosis

1. Scan tool check = fail safe throttle body & oxygen sensor.
2. Check current data for purge control solenoid valve= Not working
3. Manually check if the purge valve is working or not.
   = hold the purge and accelerate, you can feel if its working.

4) Repair Guides

• Replace purge control valve
• More study