okay heres my problem my car runs really rich....when u start the car and u stand near it ...u will have tears in ur eyes...it burns the eyes really bad.....

i have set the timing and tps twice and nothing....the car runs really good and everything.....i have not yet change the o2 senser though....

what els could it be?

thanks

 

Are your cats still installed?

 

yes the cats r stilll installed.....i mean it was running really good....until i change the tps senser and now it runs really rich...i kno the s4 have a lean/rich control plug but i dont kno where/ or if it even has one