ok i just got a ef hatch with b16a
iv done lots of swaps worked on all my own cars
my car has to o2 sensor but throws no cel
so being that my car is converted to obd1 with a p28
mabey cel wasent hooked up depending on jumper used anyways
so i look at the wiring looked like cel was hook up
so i pulled map sensor and bow cel came on when i started car...
my car was tuned by who i dont know
rev limit set at 8250,launch control set 3500,

so are people tuning ecus not to run a 02 sensor these days or somthing
i can put one in no problem but will my ecu even see it...
should i just take my ecu to a good tuner and see if he says wtf...
tell me your imput please thanks...

 

sorry ment to say MY CAR HAS NO O2 SENSOR AT ALL

 

any one

 

EFI needs a o2 senor to run properly. Start there.

 

never know with tuning these days .
i just hook up a 4 wire o2
and took my car to a tuner
she get way better gas milege and throttle resonse
not any faster or anything tho