No I discoed the power to the alarm light. The O2 sensor coming on is a scam to get you to bring it in to the dealer charge you $300 for pressing a hidden button.
“The O2 sensor coming on is a scam to get you to bring it in to the dealer charge you $300 for pressing a hidden button. “
I have 4 on my Jeep and some have only 2. One (supposedly) have to change all 4 as the remaining sensors might screw up. Just changed mine months ago and drove it for 2 months before my mechanic cautioned me “OK, it might screw up eventually”.