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Lambda voltage / wiring / signal



Donny_Dog

ClioSport Club Member
  Jim's rejects
I'm thinking the Lambda setup is the same as on the Clio's. I run an Innovate LC-2 wideband on my project car.
The stock ECU reads the narrowband o2 sensor using the generic '4 wire' lambda. White/White/Black/Grey wires. I know the signal wire is the black wire.

What I don't know, is which analog output I should wire the wideband to. I have two options:

Analog output one is 0V =7.35 AFR and 5V = 22.39 AFR.
Analog output two is 1.1V = 14 AFR and .1V = 15 AFR.

What is the most likely out of the two options? do the clio's run a 0 to 5v reading?

I need the stock ECU to read the narrow band singal from my wideband, so it stops overfuelling the car at idle and low rpm.

Cheers
 


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