check engine light

Hi all, I just received my ecu back after getting it bench unlocked. I flashed it with the stage 1 91 ots from bootmod3, it flashed successfully but now I have a CEL?

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...

So I recently installed the Armaspeed Carbon Intake. I believe I installed everything properly. My only concern is the breather hose. I heard how fragile it is. The connector part to the inlet itself is in good shape. I can’t visually identify if the other end is in good condition or not. I was...

Good afternoon everyone, I'm from Houston, TX and have been trying to get rid of a check engine light. I have catless downpipes, and have replaced the O2 sensor twice now. The light still comes on unfortunately. I was wondering if there is a way around this without having to install factory...

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...

I'm interested in gong catless. I hard the Armytrix catless with simulator works with the JB4? Is this the case? And are there any other catless DP that work with the JB4, with no tune, and no CEL.

I’ve had the Powerneedy catted downpipe on my car for a bit over 500 miles without any issues but tonight as I was driving at regular speed a check engine light came up I got home. Plugged in my OBD2 reader and turns out I got code P0420. What’s also annoying is that I can’t erase the code with...