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Yes! Now every once in a while I'll get a dip when dropping back to idle (lower than commanded). Whats weird is lambda will go from around .93 to 1.1 but I'm assuming that's because of the dip and...

Same place as this one.

2012 Twin 60mm and fic1000, xpipe (catless) dual breather setup. Thats it. Stock intake and tb etc.....

Yes. I currently have the fuel trim with in +/-3%.. it appears to be fine after I have played with it all DAY. gotta do some driving to get it dialed in better. It is weird, with Cylair filter...

Update! Will not even stay running (starts and dies) with cylair filter off....Period! Even with scaled maf and the difrence of intake tube be factored in.

So disabling those 3 aforementioned will eliminate speed density until re-enabled? Just want make sure I'm understanding this.

idle at temp. from park to drive back to park with some revving. car is a 6r80 (auto).

Wouldn't start with cylair filter disabled. Enabled it it would start and still doing the same thing. Cylair anticipation disabled and ltft disabled.

Cylair anticipation was disabled. I'll disable the other 2 and check back.

Open loop has a steady idle and lambda, once in closed loop a decently large lambda swing occurs. maf has been scaled, copy past special by % 1/2. just cant seem to get the maf at a steady state...

stock and aftermarket (zt-4). initial start up cold its around 0.75 about 15-20 seconds after start up it starts to lean up after 60s and in closed loop it does go to around 1.00 lambda with a small...

Fuel base cold vs etc vs load is 0.95 for cold start up. Lambda actual is 0.75. What and where would I change that to get around 0.90? I just feel like 0.75 is to rich.

10-4. the cars cold start idle is still rich but after about 60s of running it hits around stoich. I will slow down and double check my work from now on. Thank you for the help.

ok so the breakpoint was in Ib and I noticed you changed it to kg. Will you explain why it is in kg and how that effects it? also what exactly did you change in the voltage offset i noticed there was...

corrected that with correct info. now idling around 0.70 (afr 10.3)

Injector offset vs ignv is in seconds according to what I'm looking at. Right click go to units and it is set on seconds (s).

I do not have a datalog file due to being pig rich on idle (lambda 0.65). I will attach the data I was given from FIC and the tune file with data entered. If someone would take a look at it and give...

For anyone wanting a good laugh here ya go. I put the factory wb in the x pipe and the aftermarket set in the "stock" location. Switched them, WALLA! NO MORE SWING. live and learn.

Correct! It has to be a leak somewhere around the maf or unmetered airflow. Disregard the spark plug comment, lol.

Only one way to plug them in due to the shape of the plugs.

Im wondering if its a spark plug issue.

Any suggestions. Because trims are with in are good. But I have no freaking idea.

disregard the attached files box

105916105917 this is log file with multiply by % 1/2. still has a huge lambda swing when going into closed loop. car in both tunes idles rich and leans out but as soon as it does it goes into closed...

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