Vauxhall Combo Lambda Sensor Replacement Parts

Yes, but only on petrol-engined Combos — lambda (oxygen) sensors are part of the exhaust management system on petrol engines and are used to control the air-fuel mixture fed to the catalytic converter. Diesel Combos do not have lambda sensors in the traditional sense, as diesel engine management works differently, so if your Combo is a diesel you are unlikely to need one. Check your V5C or registration plate look-up to confirm your fuel type before searching.

The Combo B ran from roughly 1994 to 2001 and the Combo C (the Corsa C-based van) ran from 2001 to 2011, so these are different generations with different engine families and exhaust systems. A sensor from a Combo B petrol is very unlikely to be a straight swap onto a Combo C, as connector types, thread sizes, and sensor positions can all differ across those generations. Always confirm the engine code on your Combo against the donor vehicle before buying from a breaker.

The Combo C received a facelift around 2004-2005, but for a petrol lambda sensor fitment the key factor is the engine code rather than the facelift year itself. If your 2005 and 2009 Combos share the same engine code, the lambda sensor is likely compatible, but the exact position (pre-cat or post-cat) and connector type should still be checked. Give your engine code and registration to the breaker so they can match the correct sensor from their stock.

No, trim or body variant — whether van, Combi, or Tour — does not affect lambda sensor fitment at all, as the sensor is determined solely by the engine and its emissions calibration. A Combo Tour with the same petrol engine code as a plain panel van will use the same lambda sensor. Focus your search on fuel type and engine code rather than the body style or specification level.

The Combo D (the Fiat Doblo-based generation) ran from 2012 onwards and represents a completely different platform from the Combo C, so a lambda sensor from a Euro 4 Combo C should not be assumed to fit a Euro 5 Combo D regardless of apparent visual similarity. Emissions-era differences mean the engine management and sensor specifications can differ in ways that affect both function and MOT compliance. Confirm the correct sensor against your exact engine code and emissions standard with the breaker before purchasing.

Yes, the downstream sensor still needs to match your specific engine code and model year, as connector type, cable length, and thread specification vary and an incorrect sensor can cause fault codes or a failed emissions test. Whether your Combo has one or two sensors depends on the engine variant, so it is worth confirming the sensor position and quantity with a breaker who can check against your registration. Never assume a sensor is interchangeable based on appearance alone.