styls255

so before my engine light kept coming on at highspeed so I checked the code and its #1 code for 02 sensor os I put a new one in damn thing cost me $100 and every so often it will come on out of the blue, what else could it be??

bbarbulo

iTrader: (2)

when you get a code 1 it means your O2 sensor is working properly, it's just reading a rich condition in your exhaust... so you wasted $100 for nothing.

imported_zhu

did you chip your ecu?

that can explain why you're running rich

imported_Dawson

yeah check over everything like ignition timing do you have a FPR set at the wrong psi ?