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  1. SOLVED - CEL Just won't go away! Looking for Advice.. theories.. help!

    SOLVED: https://www.supramkv.com/threads/cel-just-wont-go-away-looking-for-advice-theories-help.32635/post-505039 Simply put, I am Femto unlocked with MHD running OTS Stage 2 and other than a pesky CEL, everything runs and feels great. Unfortunately, even after I have set MHD to ignore the...

  2. Active Autowerke Catted DP CEL - 12B701 DME Error Code - Help!

    UPDATE: I purchased the downstream O2 sensor recommended and the CEL returned two days later with the same code I installed the Active Autowerke catted downpipe and tuned with MHD. I selected 'aftermarket dp' in the MHD configurations and followed the break in procedure provided by AA. After a...

  3. Tomei Type R Exhaust Question

    I’m about to get this exhaust installed and was wondering if it’ll throw a CEL since there is no valve. I read online that there’s exhaust valve simulators, but I was wondering if I really need that.

  4. Check engine light on after Chassis function was limited??

    So I’ve never had a CEL before until yesterday after I drove around 470 miles to Florida. On the way there my car said that chassis function was limited but I’ve taken my car to the dealership for that before and they’ve stated there was nothing wrong with it. I then drive around the city a bit...

  5. Catless downpipe with no CEL

    Hey guys, Looking to get more choice on catless downpipe with no CEL. Looks like the choice is pretty thin, I was only able to find these two: ARMYTRIX - Performance Catless Downpipe w/ Cat Simulator, MKV Supra 3.0 | A90 Shop FI Exhaust BMW M440i G22 | B58 3.0T (OPF) | 2021+ DownPipe – DSG...

  6. CEL - need advise

    So I started the car today after 3 days of being garaged, drove to the gym and on my way back home the car threw a CEL. Got it diagnosed and the attached photo shows the codes. My assumption is, it might be because I’m running a aftermarket dp (Armytrix catted dp) with no tune (locked ecu ?)...

  7. Check engine light with 4 codes

    Yesterday, I noticed my car had a CEL. I ran the diagnostic through my ecutek app and it showed 4 codes; screenshot below. I’m not able to feel a difference in power. I have not been able to find much regarding these codes by googling them, the most information I found was stating the exhaust...

  8. Still Having CEL even after Ecutek 93 dyno tune

    I always had the "P0141" "P0136" and the "p2273", but I got a Ecutek 93 dyno tune and the CEL went away for a few days but it came back again. Is it normal? I have a catless downpipe with fabspeed o2 extender

  9. FS: Fabspeed 90 Degree O2 Spacer with mini-cat (Used 2 Days)

    Selling a very slightly used Fabspeed 90 Degree O2 Spacer with built in mini-cat. My O2 sensor heater died so I got a flash to fix that... so no longer need this. SOLD





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