24-10-2016, 08:24 AM
Shouldn't affect the MOT at all unless the emissions were already on the cusp of failing at idle.
There are loads of things that can cause hunting unfortunately and a lot of cars do it. Best bet on a 1.4 would be the idle control valve (ICV) but its certainly not the only possibility.
There are loads of things that can cause hunting unfortunately and a lot of cars do it. Best bet on a 1.4 would be the idle control valve (ICV) but its certainly not the only possibility.