just done conversion on escos to 2wd and ive used 2wd engine but i am having a few problems, 1st i can not get the revs down bellow 1250rpm ive unplugged isv and i can get revs down as far as 900 but when i put plug back on isv it goes up to 1250rpm, 2nd two wires for oil pressure on escos but only one sender switch is there any way round it any one help cheers