Awasome 2006 Gto Check Engine Light Site Www.gtoforum.com 2023. Failed oxygen sensor an oxygen sensor measures the unburnt oxygen in your vehicle’s. My friend at work had this problem with his truck and when they looked at it found his filler neck had seperated from his fuel tank.
The check engine light keeps coming on b/c of the factory o2 sensors with the high flow cats. Web get it checked. Failed oxygen sensor an oxygen sensor measures the unburnt oxygen in your vehicle’s.
