Lambda sensor removed from a 2013 1.6 Vauxhall Astra J MK6 In good working, used condition removed from the exhaust manifold of an A16XER engine. This is the 2ND position sensor found after the catalytic convertor and will NOT fit the 1ST position before the cat. To fit Vauxhall Astra J MK6 models fitted with the A16XER 1.6 petrol engine. Position 2 only. Price includes delivery via Royal Mail