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Discussion in 'DME / ECU Software Tuning' started by Toyotawild, Nov 2, 2019.
I believe this is intended exactly for your purpose: change it to OFF
Been running bm3 for the past week with catless downpipe. Night and day difference for power. I ran it previously on my 2018 bmw m2 from 9,000km to 27,000km and never had an issues at all. Supra only has 1200km currently. Need to do an oil change soon.
SO NO CEL on the catless DP with the BM3 with the menu cat monitor OFF?
yes, as long as you turn the cat monitor off.
I've been running stage 2 w/ catless downpipe and the CEL setting to off. I still get the CEL. Wondering if that's the same experience for anyone else here.
whats the actual code?
I flashed stage 2 with catless dp on Tuesday and got cel (p0141) yesterday. Cleared it and it went away. We will see if it returns.
I'm seeing 12AF20, which is likely a different code. My guess is it's more about fuel trims.
My full setup is Bootmod3 w/OTS stage 2 tune and a catless downpipe. I also have a mini-cat simulator between the O2 and the DP.
The mini-cat is not this exact brand, but it looks very similar. <-- I'm wondering if my issue could be surrounding the use of the Mini-cat and the disabling of the cat monitors within BM3.
That's the 02 Heater circuit if irc.
FYI, for those of us in stricter states, just turning off the CEL isn't going to fly for inspection purposes.
I'll deal with that in 4 years when I have my first emissions test, but good point for people in states that test sooner??
Yep..it came back. I’ll remove the spacer this weekend since I don’t need it anymore. Maybe that’s what is throwing it.
Anyone having trouble shutting off cold start? I modified it to OFF and saved, then reflashed, but it doesn’t seem to be working. Other changes such as exhaust burble are being applied however. Running OTS Stage 1 91 Octane tune on stock cats.