+18 2007 Chevy Equinox Check Engine Light Ideas. Web 2wd automatic 35,000 miles the past few weeks my check engine light has been coming on and then going off. Average repair cost is $440 at 94,100 miles.

I put a new denso oxygen sensor in ahead of the converter next to the engine,check engine light still on. Web so what happens if i don’t replace your o2 sensor? Turning the engine on/off and disconnecting the battery cable.