Posted by andy pethigEdited by ukat3731 on October 5, 2016, 9:26 pm
on October 5, 2016, 6:19 pm, in reply to "Vauxhall Corsa 1.2 Z12XEP 2006 - Hunting at idle #"
evap purge stuck open, or egr slightly open , they have a habit of getting little balls of carbon that hold them open. this will nick your vacuum and make the car run a little rich , (if its a map engine) ,
you can see the position on a scan tool, it should be closed at idle
