just installed the ems today with the map and iat wired up and everything, she started up kinda rich no big deal and idle is on the rich side too but again no biggie... what the problem is that it doesn't read my tps it shows 0% even when i press the gas pedal about half way.. are there any special options i need to set or something for this?

92 sc300 ge motor
aem ems v1 using 1101 start up cal file

 

throttle position sensor... have u wired it up?

 

Should read it off the stock harness right? As far as ive read no one mentioned more wiring then map n iat

 

im not sure if you really need it though, as long as ur properly reading air/fuel. but if you do want it theres a process to it

 

im actually also NA-T with a very similar situation but it hasnt actually made itself seem necessary to me, and ive been running great without it, it does show up on my SAFC though so im not 100%

 

When I step on the gas it hesitates around 1700 rpm from what I hear it cuts ign or fuel cuz it thinks there's too much air. Happened to me once when I messed with the tps on the stock ecu

 

Oh and my throttle% did come up on my afc before I took it out yesterday

 

so it was working on ur afc and then since u took it out you've been having problems..?

 

Yea, going to check the wire harness again tonight : /

 

y'd u get rid of the afc? im just curious to know

 

cuz standalone is always better.. plus i got it on a good deal.

fix'd

messing with the voltage settings and i saw some readings so i opened up the parameters and put the value it had at close as min and pressed it full throttle and set that value at max. seems to work good now

 

aem MUST read tps in order to have any values period.... min value MUST be above 1% key on car not running and max value at 95%.. you have the synce the cars tps to aem .. if you dont sync them you will have issues a wot and aem not reading correct throttle position

go into setup , under sensors click throttle position then click ( i beiieve as im not in my aem at the moment) setup with aem connected key on eng off ( make sure you set your idle speed prior to this setup or it throws the sync off) set you min voltage which typically should be around 55 to 57 % , enter that value and make sure you hit enter button on keyboard .. you should see your min tps value between 1.07% and say 1.50 % then set max tps % should be around 4.10 to 4.20 % then hit enter then press pedal to floor and should read 95 to 96 % never 100 %

did you also sync the timing with aem , this step is critical

 

great info! i'll be doing the timing later today after work