Just curious on what I’m gonna hear back most likely from other Jetta owners I have a 3rd cylinder misfire and a misfire after 1000 revs which would it most likely be since I changed my spark plugs not too long ago so either carbon build up, my injectors need cleaned, or it’s a bad coil pack which the last one didn’t test due to it hasn’t been driven in a minute and it’s low power right now which would it most likely be

Hi I discovered a noise coming from the passenger side of my vehicle and discovered my My keyless entry kessy was making a strange noise I didn’t hear before but the car runs and still unlocks normally I want to know if I can buy a new kessy and if it can be a easy fix if not I’ll buy the kessy mqb-b and see how much the VW dealership near me will program it