The cheater is basicly a diode to replicate the egr valve firstly tho i would put your egr valve back on and see if this corrects it if it does grab your self an egr cheater can get it off this site when you donate £10, speak to vocky or matt i think it is. the one i had sits inside the shroud and is covered up but i think they do one that simply plugs into the egr plug. Search it on this site and ull find something