I have an mq with about 210,000km on it its had an intermittent problem last 12 months (happened 3 times) where it would loose power in drive would still idle fine but could not accelerate at all. in neutral it would very slowly and roughly build revs if I put my foot to the floor in the past I would turn it on and off and/or build revs in neutral and after a couple minutes it would come good.it never through any codes.
the other day it done it again but this time it didn't come good left me stranded at a busy intersection. mechanics have been trying to figure the problem their conclusion is they think(can't garuntee) its a stuck open egr valve $1300 to replace.
does any one know if this could be right.if it is I'm thinking I might get the car home and try removing and cleaning the egr see if that works before buying a replacement?