The oxygen sensor in your GMC Sierra is a key element in your truck’s ability to “figure out” the correct air-fuel ratio, so fitting it with 2014-2017 Sierra O2 sensors to replace older or worn-out sensors is essential to keep it running correctly. Having a fresh new oxygen sensor installed ensures that your fuel efficiency will tend towards a maximum, performance will be high, and you won’t suffer from “check engine” lights or failed emissions tests. AmericanTrucks stocks both 2014-2017 front (upstream) O2 sensors and 2014-2017 rear (downstream) O2 sensors so that you can choose exactly the sensor you need to keep your truck running at its best. Today’s oxygen sensors make use of the high temperature cofired ceramic sensor elements that NTK developed back in 1990 for exceptional sensitivity and accuracy in measuring oxygen content.
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