What is the reason for the engine still making noise after the Tiguan is turned off?

[AlyssaLynn]

The reason for the engine still making noise after the Tiguan is turned off is that the spark plugs have lost their ignition capability or the throttle has malfunctioned. The owner needs to troubleshoot and repair them one by one. The Tiguan has a length, width, and height of 4506mm, 1809mm, and 1685mm respectively, with a wheelbase of 2684mm and a fuel tank capacity of 63 liters. This vehicle is equipped with a 1.8T turbocharged engine, with a maximum power of 118 kilowatts, a maximum power speed range of 4500 to 6200 revolutions per minute, a maximum torque of 250 Newton-meters, and a maximum torque speed range of 1500 to 4500 revolutions per minute. It is paired with a 6-speed automatic manual transmission.