flash 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

Twisted Tuning Custom Tunes include 12 months support as long as our Tunes are being utilized. Our custom tunes are NOT your typical "staged" tunes being offered on the market. These are custom tailored to your vehicle and to your specific requests. Don't pay hundreds of dollars for "one size...