just tryin to help a brotha out…
how did you calibrate it? Sounds like you just threw it in with your exhaust already hot and it semi- calibrated, either that or check your ground , make sure its continuity is good with the engine ground… Free air will read max i think its 22/1. Did you hook up the red led + button? Is it blinking ? Might wanna take it back, clean it off real good and start over.