i think a sensor, car idles up and down and will die if i hit the gas Options

[my96celica]

I bought another celica. 4th one now btw and the person did a motor swap on it. its a 91 gts with a 5sfe motor in it and i have a plug on the harnest not pluged in and i think its the cold start injector that was on the gts motor. car will start but idle from 1000 upto 1600 and keep doing it. a while later the car will idle high so i hit the gas and the car will start to die. ive been told a tps or a map or IAC Which is 300 bucks i dont have. plz help and dont say junk the car.. it runs great b4 this happened

[Box]

Hmm, odd. Just start by checking all the components out. If the IAC, MAP, and TPS check out you know it's something else.

Something on IAC: http://www.toyotanation.com/forum/103-3rd-...s-pictures.html

Something on MAP: http://www.toyotanation.com/forum/103-3rd-...r-behavior.html

Something on TPS: http://www.toyotanation.com/forum/103-3rd-...-tps-5s-fe.html

Can get used parts for cheap. That and there's always Rock Auto

This post has been edited by Box: Mar 13, 2012 - 2:13 AM