S
saniya
Guest
Okay Imy check engine light has been on for quite a while. I got it diagnosed and possible causes were 02 sensors, engine repair, or vacuum hose/leak. My 94 suburban is riding great so I doubted the engine repair. Had one 02 sensor replaced and now the diagnostic is reading the other 02 sensor, and that's it. My question is if I replace the last 02 sensor, would my check engine light go off? Thanks