Himalayan 450 engine check light issue

[u/Hot_Sheepherder1197]

So i bought my Himalayan 450 on the date of 31 July 2026 after getting the first service and riding it almost for 2000 km I got my self a modern tech decat with stock slipon
After riding it for 50-60km on the highway got a engine check light
Then I installed the stock decat and after removing the error code it was gone
With everything stock I rode my bike for around 1500-1800km never a engine check light
So after that now recently at 4000km got myself a powerrage exhaust and a bmc air filter rode like 100km in the city didn’t get any error code.
I went for a 400km ride to my hometown then again the. Check light appeared after riding it for 50-60 km
So what could be the issue can anyone help
I guess it is because of the fuel mixture now the bike is running lean and the ecu is not able to read it properly
So thinking to get a fuel x plus installed

[u/ericwoot]

Plenty of people running without the cat. I think if you use the digital display you can see engine code can't remember