Originally Posted by spearfish25

How much cleaner can a sensor be if you just spray a fluid onto it and it evaporates? Seems like any grime would likely still be on the sensor. Be careful with spraying crap on these for no reason (like you have <10k mi on the car). A mistake will cost you $232 per side.

I'd suggest you get a scangauge and actually document a problem with your A/F ratios before you start f'ing with sensor cleaning.