The V8 Owners Forum -

So now the narrow lambda problem is solved as you have on the market wide band with narrow output :

Thank you,

i have a resistor, a green.

As far as i know there is only to change the resistor and plug the probes.
I do not know if the eprom is soldered or not.

My main concern was to know the best option to add the missing wires that are both supposed to be blue

Hi, as far as i understood there is a strong benefit to install oxygen sensors to non catalysed car. It gives better air fuel ratio on each bank and for us in countries using E85, it helps a lot to be easily flex fuel just playing on injection fuel pressure. I have two cars to convert, both 3.9 EFI,...