openecu.org

Okay I've been runiing my stage 2 xpt map for approx 400 miles then my check engine light is on.....then I reset my ecu by unplug my battery. Is anyone experience the samething ??? Any info appreciate. thanks. Anyway my setup is Invidia catless Turbo back, stock intake no snorkel.

you can use ecuexplorer to read trouble codes. mostly likely p0420 which is rear cat deleted