OSECUROM? Is that a popular map? All i know is most people have the least amount of problems with Cobb maps.

 

Is your fuel pump failing?
#1 dont run it hard with those high of AFRs (duh )
#2 check fuel pressure level

 

email braden on the forums ev8siv3 he should be able to help you out.

also you might need a better fuel pump. i switched over to the STi fuel pump and im running a little lean also at WOT. i have a similar setup as you.

 

welp i have a walbro 255 pump ... but i'll check thanks for the help

 

Check the vacuum connections everywhere, including to the fuel pressure regulator. Check your intake for leaks, and see that the filter is clean. Also, could this be weather-related?

 

how so weather related? I'm in louisiana so very humid and currently rainy throughout fall.

I would think it being hot that it wouldn't push as much air there for making it more rich than lean?

well i'm goign to check everything tomorrow

Thanks guys

 

I was just wondering if you had a leak in the intake or a vacuum leak somewhere that got worse in the heat.

 

You obviously have a Tactrix cable.Have you tried logging the car with ECuExplorer?What are your IDC's looking like?What is your I.A.M.?Why are you using an AEM CAI with a map that uses the stock box?I guessing thats part of the problem as your MAF is not rescaled for it.Its relying on the MAF in openloop(WOT).Its no longer using the O2 sensor for feedback.

 

good point, donkey!

oh, and btw donkey, your "my mods" link returns "Not Authorized
You Have Attempted To Perform A 'ADD' Action.
The Site Administrator Has Configured The Garage Such That Your Combination Of User Level & User Groups Are Not Allowed Perform This Action."

 

oh, and btw donkey, your "my mods" link returns "Not Authorized
You Have Attempted To Perform A 'ADD' Action.
The Site Administrator Has Configured The Garage Such That Your Combination Of User Level & User Groups Are Not Allowed Perform This Action."

Thanks for letting me know!I think it's fixed.

 

How many miles has it been since you've replaced your fuel filter?

 

well after some looking around and logging. My WBO2 is 2 off towards lean compared to my front o2.

I looked around and followed the engine compartment's fuel lines no signs of a fuel leak.

I run the CAI since the day i put stg2 upgrades on. I ran stg2 map with it and ran completely fine. Ran the 2.5stg with it since beginning of august with no problems.

unless you can explain to me why all of a sudden my maf is goingt o make my tune go south, i just don't see it being a problem.

I'm running 7IAM atm but id idn't do the quick reset of it after i reseted my ecu couple days ago. So it might be still learning the map again. Don't know completely. Might just reset it again and do the quick learning trick.

as for my fuel filter, tbh idk when it was last changed. I know the fuel filter is what like after the 60k service? I bought the car with 54k and no knowledge if the previous owner ever changed it.

I was planning to replace it by the end of the year with the new season. But ofc i forgot the filter could be the problem so i'll prolly do it once i get paid this week.

Thanks again

 

as for my fuel filter, tbh idk when it was last changed. I know the fuel filter is what like after the 60k service? I bought the car with 54k and no knowledge if the previous owner ever changed it.

Replacing the fuel filter is recommended for the 30Kmi and the 60Kmi service.

 

Sound like bad news. How long does it take for widebands to go bad?

 

well i took all you guys advice,I checked the fuel pump, fuel filter, and cleaned the maf.

Fuel pump wasn't the problem. So I bought a filter. replaced filter and cleaned the maf. cleaned battery (badly needed it lolol) and now my car runs like a champ even better than when i first installed the stg 2.5 tools! Can't say what did it for sure but i'm sure it was the filter.


Thanks a bunch guys, I can't say how great it is to know if i have car woes i can just come here and get some help w/o going to the dealership who would charge arm and a leg.

:wiggles::wiggles::wiggles::wiggles:

 

glad ya got it fixed! :thumbup: