Since I noticed the translation in the manual I wanted to check my setting.

1. Seq Turbo Cont = disable
2. Injector Warning = enable
3. Knock Warning = enable
4. O2 Feedback Cont = disable (this should be enabled states the manual)
5. Idl Ig Contr = enabled

What problems or damage could occur if the O2 feedback is disabled?

I just had the car retuned but I do not trust the tune. He stopped at 13 of 15lbs claiming the compression was low but he tested before the tune and was ok with it. He said he would clean up the map another day and when I went back he claimed he motor wasn't loading and the dyno needed to be recalibrated. He raised the boost without retuning and changed the duty cycle to 40. Yes, I turned the boost back down and have an appointment with XS ENgineering this time.

 

There is no problem with disable o2 feedback. Once you do this, you can tune the cruise areas of the map how you like...

BTW, why don't you have a Datalogit?

 

AMEN! With the O2 FB turned off you can fine tune cruise for 16-16.5 AFRs for better mileage and a cleaner exhaust , and have a more stable idle.

 

I don't know how to read fuel map, so I never bought one. I was thinking of taking a course at efi101.

ok, so most likely my last tuner turned it off and left it off. Was he supposed to turn it back on?

 

You can only run/use the O2 FB function if the car has an operational air pump that pumps air into the exhaust manifold before the O2 sensor.
Since you are single turbo, that means no!

 

I am running an air pump with my single, allthough i'm not using the pipe only feeding through the exhaust ports. I did notice that he disconected it during the tune. So that would explain why, I guess. He also connected the wideband in to the mid pipe bunge instead of replacing the O2 sensor with the wideband sensor.

 

I enjoyed the efi101 and advanced class this past Febuary. I recommend it to even the most advanced tuners...

Jay7...