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glad to see you got it figured out. I think most of us assumed a catless downpipe in the first place.

Yes. @xfeejayx has had experiences with this I believe. I've only seen powersteering issues once on my 3, and they never came back afterwards.

Something to check! Got a spare downpipe?

How do those plugs look?

another thought- is there a rag or something stuck in the intercooler from when you fixed the coolant leak? (not sure if you're TMIC).

Update time - super-cheater can haz 400hp except I just noticed in logs from about a month ago: brief/relevant mod list- SURE Intercooler, Autotechs, 4" htp intake, 3" catless DP For the sake of the rods and ringlands, the wgdc is going way down now that I've hit my self-imposed target power...

hmmmmm.... Plugs? Shitty combustion can lead to poor power delivery/boost. I just fouled out a set of plugs on my 6, but that was due to an catastrophic/ZOMG rich incident with fireballs, etc.

Independent of anything else, the tune should be requesting more wgdc if you aren't hitting target boost/load- so there is something there that isn't hardware related. Do you have old tunes to roll back to?

Is your tune locked? if not, can you post it? Your car is only requesting ~20% wgdc, it's not even asking for a substantial amount of boost. This looks tune related. Also, which wastegate actuator do you have? EDIT: doh. nvm, tial external.

post a log? I think more information would help here. Sounds like you've exhausted hardware issues, so tune is the next place to look.

I'd be interested in inspecting the chra to see what happened.

Bump @Enki & @JohnnyTightlips What happened with this tuning adventure, and why are the closed loop limit set to 1 ( seems low?) Also, cl/ol load threshold set to 1? Attempting to do high flow mafcal?

Thanks, #1 - done #2 - done #3 - in the works.

Sounds like some fancy signal interrupt type sensor setup. Do tell.

Thanks. I have played around with these tables a bit before in an effort to turn off the WOT/open loop trims, based on @Enki's thread , and they work in that regard. I'll cross-check, but I'm pretty sure these tables are already set to 3.0 load. I've ordered an ethanol mixture testing kit to...

still seeing fueling not meeting targets, not sure why. I redid the map in a different OTS tune in versatune with 93 for the larges amount of fueling overheard possible. Not sure whats up- logs show WOT Fuel trimming still, and some random desired AFR's of 1.0/0.99 (car seems to ignore this)...

Thanks. I'll upload the map this weekend. Yup, I believe I have all of the load tables adjusted up. It'll hit and maintain high 2.2/2.3 loads, but fueling is the issue. Good news on the graphing if the IDC's. FYI- Currently the car is on E-40 as an element of troubleshooting, but I'm...

Update: Super-cheater K04 works great, and flows ~46lb/min or 4 volts on a 4" htp intake. I've run into a tuning problem that I can't make heads or tails of. In high 30lb/min & >3.5 maf volts the car has trouble keeping up and is doing some weird fuel trimming which results higher requested...

Plenty of folks, including me, have towed long distances with the 3, NBD. Watch your temp gauge if you're concerned.

It would make calculations easier, and strange things happen with the rear motion ratio and the springs. Overall, not a big deal.