boothy150 Does the front (before the cat) sensor on the Astra G also fit on the Vectra B, as in are they the same part?
Matt Vectra : http://www.autovaux.co.uk/LoadPortal.aspx?cnum=85&pnum=AS12569391&tabid=5&vnum=136 Astra : http://www.autovaux.co.uk/LoadPortal.aspx?cnum=85&pnum=AS12569391&tabid=5&vnum=128 Same part from Autovaux (y)