Auto Meter Analog Wideband Install

[Brayden_connolly]

Hello everyone,

I am new to the forums, I am currently swapping a K20A2 driveline into my 1985 Fiat X1/9. This is the third conversion ive done so I am somewhat familiar with the wiring but need some help with the o2 sensor connections. I am trying to run only the Auto Meter wideband and the ECU isnt getting a signal from the sensor, signal + is wired to pin 19 in the C101 connector and signal - to pin 10. Is this correct?

The gauge appears to be reading correctly but the ecu cant see anything and recently threw the P0134 error code.

Help!

Thank you!

[Spunkster]

What version of K-Pro are you using?

[Brayden_connolly]

What version of K-Pro are you using?

Kpro V4

[Brayden_connolly]

I've been looking and some forums say connect the signal positive to pin 15 in the E connector but its showing 4 volts when the car is running so I dont think thats correct for this harness, I just dont understand why it wont work using the factory O2S pins on the C101...

[Brayden_connolly]

Ok I made some progress, switched the O2S signal negative to the correct pin (im an idiot) and now im getting error code P1162 A/F sensor slow response.

Any suggestions on where to go form here?

or should I just add a bung for a stock sensor and be done with it?

[Spunkster]

You cannot input a aftermarket wideband signal into the oem wideband wiring and expect it to work.

Since you have a K-Pro v4 you can input the wideband signal into the analog input on the K-Pro board and run in closed loop that way.