I have a 92 gsr.. with a ls/v and the car kinda sputters at idle and it idles really low.. around 200-400 rpm.. and there is no way to adjust the throttle.. i have the idle screw all the way out and it still wont ilde up...... and when u are driving down the highway and barily press the throttle the car sputters and cuts back... but if i hit full throttle it runs fine.... ok here is the wierd part .... if i unplug the tps it runs perfect..even idles perfect. but of course it throws a light.. so i replaced the tps with three diff sensors.... and it still does the samething any ideas im stumped.. checked voltage and its around 4.5 at open throttle

 

What are your specs? It almost sounds like your running super rich, but Im not sure.

 

well i have a phearable tuned ecu.... but how would that explain the reason it runs good when i unplug the tps...?????