Bank 1 Sensor 1

[knucklehead_vol]

Is this the drivers side (US) or passenger? 2003 Land Rover Discovery.

 

[helievacpilot]

Driver, upstream.

 

[knucklehead_vol]

Thanks

 

[jymmiejamz]

Make sure you clean the oil out of the connector.

 

[knucklehead_vol]

It's all good now. The dealership put a damn downstream sensor instead of the upstream. Connectors look to be good and it is running a hell of a lot better.