my r.s.t runs fine when driving,or when its cold,but when sitting in traffic for a few minutes the idle drops right down and will stall if sat for long enough,ive replaced all the plastic pipes on the breathin system,but no luck,is it metering head?or can i try anything else?

 

Inlet manifold gaskets, brake servo, vacuum pipes, the list is endless. Is your fuelling ok?

 

try spraying easy start around things if it picks up in a spesific area there must be a air leek near by

 

the feuling is ok,it was set up not long ago,ive got sum easystart il try that this week,otherwise il have to start replacing gaskets!