Idling Issue when Low Revs

I'm going to start by saying I'm a complete novice but keen to learn with my Haynes Manual.

I had an issue with my 2004 Freelander 1 TD4 not starting from cold and decided to change the glow plugs. This was successful for a few days but now it has developed a new issue.

When driving it at low revs its trying to stall constantly. I've read about the MAF possibly being an issue. Could this be the case.

When I was changing the glow plugs I noticed a small hose was disconnected and I've been researching but can't find anything about it so I've attached a pic. I'm sure it should attach to something and I'm not sure if it could be part of the problem.

Many thanks for any advice

Im afraid I cant help with your question but if you post it in the Freelander section you will get some.responses from knowledgable owners, also, welcome to landyzone.

Col

Thank you Col. I'll give that a try.