i am trying to tune my honda fit with the AEM FIC.
it requires me to enter in a table of a/f values for what voltage the OEM primary o2 sensor reads (it is a wideband)

im fairly certain that the primary o2 sensor is the same one that is in most new hondas that have a primary wideband.

if anyone happens to have the a/f = voltage values, please PM them or post them.

for example:
11.0 =
11.2 =
11.4 =
11.6 =
11.8 =
12.0 =
12.2 =
12.4 =
12.6 =
12.8 =
13.0 =
13.2 =
13.4 =
13.6 =
13.8 =
14.0 =
14.2 =
14.4 =
14.6 =
14.7 = 2.2
14.8 =
15.0 =

i have been trying to plug in specific voltages into my map and see what a/f readout i get on my AEM wideband, but id rather not do that for all these values if this information is easily avaialble.

thanks in advance!

 

Primary is not voltage based, it is current based. You cannot connect anything to it without messing up the signal.

 

really?
i currently have my AEM fic tapped into the OEM primary o2 sensor wire at the ECU. its been like that for a few weeks now. no check engine light reguarding o2 sensors.

in theory, the wire from the AEM fic adds or subtracts voltage(or i guess current as you say) and forces a new a/f ratio to be the target.

in my o2 map, if i put a value of .2 it drops the a/f ratio to about 11, if i put in a value 2.23, it keeps the air fuel ratio at 14.7. so it is working as its supposed to, and with no problem with the o2 sensor communicating with the ECU.

unfortunatly, the o2 sensor is not linear and i cant simply graph it to get the rest of the points.

so ill stick with my original question. beisdes just shooting down this question thinking it wont work..anyone have this info?

 

Is the voltage to A/F ratio not linear?

ex- 10.0 is 0 volts
15.0 2.5 volts
20.0---5 volts
Theres no o2 sensor "wizard" in the aem?