Right just bought myself another money pit (uk bugeye wrx) it seems to tick over a tad low and can fluctuate a little bit, the car has had an induction kit fitted so im wondering if the maff is on its last legs, apart from the induction kit it only has a nasty bov (will be removed asap),. fitted , its standard apart from these 2 things,. any thoughts?? cheers

 

Would say it`s the BOV or poss a failing o2 sensor, MAF`s are normally ok on new age cars.