Hey everyone just need some help with my mates vr, had it a couple of weeks now and the engine is causin us some right nightmares, the engine idles really lumpy as if it wants to stall, it doesn't start first time from cold has to be reved until its warmed up slightly. read alot on here about the temp sensor sometime playing up so changed that and its still the same sometime get a poping sort of noise from the engine aswell. heres the wierd bit, had a play with a few things and ended up taking the isv valve inlet off and by putting my thumb over it the engine idled fine and also starts fine, i