hoping 4 some help .. just bought a disco 3.9 v8 and it has a few issues i need to get sorted ... when started from cold it starts first time no problem ticks over nice and revs if u give it a boot full but if u just tickle the throttle it dies and then struggles to start again but once warm seems ok it also takes its time to return to idle when u stop but when it does its sweet any ideas would b appreciated cheers tel