[graywolf1969]

i dont know if this will work but when you have a vacuum leak on a engine you spray starter fluid on the vacuum lines and it will bring the idle up or down try spraying the intercooler pipeing and holesis .. were you spray it and it does work then thats were your leak is ... this could be lots of outher thing man not just a intercooler leak ... so what is your supra doing so we can help u