Quote Originally Posted by scttydb411
i've had the same wideband sensor in my car for 5+ years, but the same sensor on the dyno can last anywhere between 30 days and 6 months. sometimes they just go. like dirty said...if they get an impact they can stop working/shorten the life span. leaded gas can too.
leaded gas kills them OH so quickly... but ive seen a few widebands on dynos last a good 3-6 months being used and abused with leaded gas and still work just fine. then one time the heater didnt work and the a/f ratio was so crazy off.