Chevrolet Captiva 2012-2014 Oxygen Sensor 12612459 1491007540 Plug and Play

2012-2014 Chevrolet Captiva 2.4L model oxygen sensor (OEM: 12612459) installed on exhaust manifold or pipe; monitors exhaust oxygen to adjust air-fuel ratio for efficiency and emission compliance. Plug-and-play design; replacement difficulty medium; 30-45 minutes recommended; protect threads during removal. If fuel consumption rises, acceleration weakens, MIL lights up, or exhaust smells, sensor may be failing; replace promptly.