jdmhybridcivic
Junior Member
I recently swap a b18b in my 97 civic, and i was running my car without an o2 sensor for a month. I bought me a new one and hooked it up and my car bogged down at 3k and i started to have irradic idle. then when i disconnected the o2 it ran fine but i had crappy gas mileage. Any ideas?