ECMlink how does my fuel trims look like?

[pokemon]

I just want to know if i'm doing it right. how does it look to yall. Here is a log:

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[jayson427]

file needs to be formated different i cant look at it

 

[dsmpat95]

When I get off work I can take a look if nobody has yet.

 

[jayson427]

^^ this would be your best bet! dsmpat seems like a good guy and is pretty smart about turbo set ups.

 

[pokemon]

^^ this would be your best bet! dsmpat seems like a good guy and is pretty smart about turbo set ups.

awesome.by the way how can i change the format?

 

[BurrowZ]

I accessed the log just fine, you shouldn't need to change the format..

I had a look and they look pretty good, but your LTFT Lo is greater than your LTFT Mid. When this happens I increase the deadtime and keep going until I get it closer to zeroed out.

 

[dsmpat95]

Are you using FIC 700cc.

I would recommend getting your AFRatioEst to match your wideband. Its a easy maf comp fix. Other than that it should get the fuel trims looking alot better.
Your not gonna get the wideband to match perfectly with the DSMLINK V2 but you can get it pretty close, shoot for within .3 of the value.

But your fuel trims don't look bad either.

 

[pokemon]

Are you using FIC 700cc.

I would recommend getting your AFRatioEst to match your wideband. Its a easy maf comp fix. Other than that it should get the fuel trims looking alot better.
Your not gonna get the wideband to match perfectly with the DSMLINK V2 but you can get it pretty close, shoot for within .3 of the value.

But your fuel trims don't look bad either.

actually i have 650s and i have some FIC 750s coming in the mail. but i'm tryin to learn all this tuning stuff before i put the 750s in. I will try to get my AFRatioEst and my wideband to match. I will post another log tomorrow. I really really really appreciate your help.

 

[dsmpat95]

After you get them close you may need to readjust your deadtime again. Get the idle tune first then your cruise.

 

[pokemon]

After you get them close you may need to readjust your deadtime again. Get the idle tune first then your cruise.

ok man i will

ok man i got the AFRatioEst to match my wideband but is running like shit, and now my deadtime is way up there. i'm gonna give you a log let me know what you think

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oh and here is a idle log i take this log before the cruise log

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[dsmpat95]

Is your BOV recirculated.

To get your AFRatoEst to almost match your wideband at cruise, you will have to see what MAF hz your at while cruising and lower it in your case. Most of your cruise is between 150hz and 250hz. So you would lower those values down. You should see your AFRationEst start to get closer to match your wideband. When you get you values close in Maf comp, try and smooth out the values.

Calan has a good calculator to help determine how much correction the maf comp should need. http://www.dsmtuners.com/forums/ecmlink-tuning-log-file-advice/411083-ecmlink-linktools.html

 

[pokemon]

Is your BOV recirculated.

To get your AFRatoEst to almost match your wideband at cruise, you will have to see what MAF hz your at while cruising and lower it in your case. Most of your cruise is between 150hz and 250hz. So you would lower those values down. You should see your AFRationEst start to get closer to match your wideband. When you get you values close in Maf comp, try and smooth out the values.

BOV is definitely recirculated. I will definitely try that. when I get my other log would you mind looking at it? I just don't want to bother you

 

[dsmpat95]

BOV is definitely recirculated. I will definitely try that. when I get my other log would you mind looking at it? I just don't want to bother you

I have no problem looking at them. Just remember V2 can only get so close. If you do update to V3, this way of getting you AFRatioEst to match your wideband will make the direct access tables a breeze to tune with.

Also make sure you have no boost leaks, or you may need to do all this again.

 

[pokemon]

I have no problem looking at them. Just remember V2 can only get so close. If you do update to V3, this way of getting you AFRatioEst to match your wideband will make the direct access tables a breeze to tune with.

Also make sure you have no boost leaks, or you may need to do all this again.

Man I try and try to get AFRatioEst to match my wideband and now the car runs like shit and my deadtime is like 600 and I have a code cylinder 1 miss fire . I don't have boost leaks and my exhaust is all welded together (what ca i do now)
I have another question. do you have to get the AFRatioEst to match my wideband on close loop or open loop. The reason I'm asking is because I've been reading and reading and found this that was written by CALAN:

Quote:
My goals today are to try and get my BoostEst and boost gauge to be the same. Also my wideband and AFRest to be closer.

CALAN:
To keep it simple, pick one method or the other. You'll pull your hair out trying to get your wideband to match AFRatioEst, while also trying to get BoostEst to match actual boost. Just take my word on this.

My suggestion - Ignore BoostEst and focus on getting your fuel trims (CombinedFT) to be as close to 0 as possible during closed loop, using ECMLink's MAFComp adjust tool. Then work on getting your wideband to match AFRatioEst in the open loop areas. This page will help, if you haven't seen it: MAFComp Adjust (CombinedFT)

 

[gofer]

I'm not going to take the time to read what's already posted here, I just skimmed through it and it seems like you're just as lost as you were when you originally posted. You've been searching and I'm certain you must have found one of my older posts about setting up ECMLink and the setup never changes.

Watch these two videos to setup idle/cruise fuel trims...

Initial Setup
Idle/Cruise Fuel Trims
​

You've got v2 so tuning for WOT (also known as open loop) will be different than someone with v3 since they've got access to the fuel/timing tables on the ECU but it doesn't mean you can't put down great numbers with v2.

To tune WOT use this. DSMlink MAS/MAF Calibration Page

 

[pokemon]

well since i screwed up before, i started all over again. And i just wanted you guys to check if my idle tune looks alright. I think it does but i would like for someone with a little bit more experience to take a look. by the way i'm tuning with V2

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[pokemon]

I would just like to know if I'm going at this in the correct direction.by the way i'm tuning with V2

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[Chicken Patty]

Doesn't look bad at all, not that I notice. Noticed in 2nd gear there was a part where the A/F Ratio went kinda lean towards 12.0 then it picked up some knock. I say run it a tad richer there and you are good to go.

 

[Calan]

I'm merging your 3 separate threads, since this is an ongoing discussion.

 

[pokemon]

Doesn't look bad at all, not that I notice. Noticed in 2nd gear there was a part where the A/F Ratio went kinda lean towards 12.0 then it picked up some knock. I say run it a tad richer there and you are good to go.

chicken I appreciate your reply, I asked on ECMlink forum for a bit and got 0 replies. So i thank you. I think its so crazy that how to vent my BOV gets so many explainitory replies and something like this don't

 

[Chicken Patty]

chicken I appreciate your reply, I asked on ECMlink forum for a bit and got 0 replies. So i thank you. I think its so crazy that how to vent my BOV gets so many explainitory replies and something like this don't

Anytime bro. Hit me up with any questions.

 

[pokemon]

Doesn't look bad at all, not that I notice. Noticed in 2nd gear there was a part where the A/F Ratio went kinda lean towards 12.0 then it picked up some knock. I say run it a tad richer there and you are good to go.

about how much fuel do you think i should add?

 

[gofer]

The below AFR's are what I target when I'm tuning, EVERY car is different but it's a good starting point.

91 oct - 10.8~11.0:1
93 oct - 11.0~11.3:1
E85 - 12.0~12.5:1​

 

[Chicken Patty]

The below AFR's are what I target when I'm tuning, EVERY car is different but it's a good starting point.

91 oct - 10.8~11.0:1
93 oct - 11.0~11.3:1
E85 - 12.0~12.5:1​

Definitely seems like good starting points. I personally tune a little safer on E85, more around the 11.5-11.7 range. However, I mostly tune decently high powered stock motor cars which you have much less room for error than if it's built or making less power. I do however notice that around 12.0:1 is a very VERY sweet spot on E85. Car seems to wake up a decent amount.

@ Pokemon, just add fuel in the areas under boost that are not within the ranges specified by gofer. As long as they are around there, you shouldn't have a problem. But you definitely need to add a tad because the area that was leaner if I recall correctly had some knock. Adding some fuel there should take care of that problem.

 

[pokemon]

Definitely seems like good starting points. I personally tune a little safer on E85, more around the 11.5-11.7 range. However, I mostly tune decently high powered stock motor cars which you have much less room for error than if it's built or making less power. I do however notice that around 12.0:1 is a very VERY sweet spot on E85. Car seems to wake up a decent amount.

@ Pokemon, just add fuel in the areas under boost that are not within the ranges specified by gofer. As long as they are around there, you shouldn't have a problem. But you definitely need to add a tad because the area that was leaner if I recall correctly had some knock. Adding some fuel there should take care of that problem.

ok i will add some fuel in those areas that need it. thanks for your help man.


btw, i have a question for you. Do you have a shop? if you do, where u located. The reason i'm asking is bcuz i may build an engine sometime and i heard you were a good tuner.