hi all question for you all has anyone had an issue with the revs hanging around 1200 -1500 rpm then slowly dropping to idle on 2.0 cdti sri

everything  else seems ok i only have a code reader which i shall be putting on tomorrow to see if anything pops up but at a wild guess im thinking throttle body gunked up causing it to stiffen up

[color=#efefef]i only had the car 3 months it has 60k on the clock says full service history but as i havent d

Recently had a minor problem with me 2015 GTC

Plastic under carriage/skid pan(maybe?) had drooped down. Positioned under the engine (See pics)


The two passenger side screws have come loose, and by the pics they are still in the plastics

I've got under the car and attempted to screw them back in but they only go half a turn, and with a bang of my fist on the plastic they pop out again. So I'm assuming its the thread that's gone?

Whats my best play here. New screws? If someone could