De catalyse a zafira!

[IlCurioso]

Hi to all, I open this discussion to know if ? can delete the second lambda, the one after the catalytic converter. I ? was told that to remove that and the EGR, you need to remove the parameters autoadattativi of the unit and that in the case of strange ambient conditions the snow or the sweltering heat of the machine might not have a good performance, since it is then a 1.6 cng-it would be counter-productive. Now my doubt arises spontaneously.... If the second lambda controls the efficiency of the catalytic converter should not affect ir? so on the return... am I Wrong? The fuel mixture is not correct from the first lambda? It could be more? likely to be the egr but not to the control of the catalyst! Someone can? give me some explanations? Thank you!

[legendaryslave]

you exact to the second probe monitors the efficiency of the catalyst and implement the strategy for a leaning in case of need' (catalyst too clogged) the elimazine does not involve any change on the mixture itself, much less the egr then proceed with the deletion without any problem, but they do not agree on the delete of the first probe that is actually in control of the fuel mixture and make the correction to follow the stekiometroco of the table

[IlCurioso]

In fact, I do not want to delete the first lambda, but the second one! Ok now what do I do? What equipment would you recommend for me? Thanks for the quick response!!

[legendaryslave]

What kind of ecu mounts to the car?

[IlCurioso]

Mmmm... Check!

Then on the nameplate of the controller c'? written:
Delphi Delco DRYB. Is?

[gezame]

Hello
Yes, the ecu petrol, 1.6cc 16v 100cv.
I'm hard to get rid of the second lambda.

[IlCurioso]

A few tips! You can? do? I would be willing to delete it to delete the catalytic converter Costs a heritage, and with the temperature of the exhaust gas of methane you care in little time! Someone has already? done? What is the result?

That means the last I see? You can do it or not?

[baraldino]

That gives you the error p0420?

[IlCurioso]

Now the DTC does not remember... I just know that before disassemble it (I'm doing the Head) the second probe I worked at the bottom of the stairs and the light in the picture was turned on. I have now purchased the new probe but I would like to remove the catalyst before that I care a probe and, therefore, eliminate the catalyst with collectors 4/2/1. l EGR already deleted mechanically, it just lacks the probe.

Today I got the new manifolds 4-2-1, I wanted to know if you had news for me regarding the possibility? to inhibit the control by the engine control unit on the second probe, the one after the catalytic converter. can you tell me if and how you can? do? Again, I thank you in advance.

[flamingsn3Ak3r]

I join to the topic.

I wanted to know also I what ? the best solution to do on the lambda.
I explain my experiences: On the bike (KTM) I disabled why? according to many users of the forum brought many benefits, that is,
Reduced the effect ON/OFF and then linearizzava, consumption was reduced since? if disabled, the parameter is settava 1 cio? the equivalent
of the standard Euro 3 1=14,70AFR then the stoichiometric ratio was skinny, then went mapped the bike with an add-on module (Power commander)
and settarglielo to your liking, of course if you wanted to change the stoichiometric ratio (AFR). By contrast, in the extreme conditions: High and low altitudes and very high temperatures or very cold
the engine, as said before, it may work badly.
Then the question ? this: in engines with a Lambda alone would bring the usual benefits? It would behave in the usual way?
Instead, in the Car with 2 lambda probes, the situation is different?

Thanks A Lot!