Hi, can some one help plz!!! Maf sensor? Car when cold runs very well indeed but once it's warmed up the car starts hunting on the revs and tries to stall when coming to a stop? The mixture seems really rich? I've checked pipes for splits but nothing? Only bought the car a day ago do gutted!! Car had been stood for a month and it was about 10 miles into the journey the fault reared outs ugly head! Once it was warm! Plz help

 

It's a k reg wrx import, sorry forgot to mention! I'm from chesterfield

 

Sounds like a maf sensor, my cars doing the exact same, put another maf sensor on it and it ran perfect!

 

If you suspect the maf then do not use any boost until it is sorted!

 

Would it allso cause the car to run rich? Thanks guys

 

There isn't any boost? The turbo goes to zero when revved, have been told, plugs, coil packs, coolant temp sensor, maf, remap? I'm no mechanic and defo fed up with the whole Subaru thing!