ok i got a problem my car will start up perfect i have no cel but it idle low i tried everything to get to idle rite but no help did the timing changed the intake gasket and tb gasket evrything and it revs fine but once i let go of the trottle is sound like its gonna die out but it sit at low idle and then if i dont give gas for a minute it well go to perfect idle but its bugging me that it wont sit at idle wen i let go of the gas plz help me?

 

are you tuned? I hope you arent running a P75 un-tuned on a B20

 

Any vacuum lines messed up? Iacv has good electrical current going to it? Tps good?