My map sensor cel has gone off and I've looked into it and it seems like its usually a disconected vacuum hose, I think I've found the map sensor (near the wiper motor) but I can't seem to find the vacuum hose, are there any diagrams you guys know of that can help?

 

Hope this helps, had this happen when swapping superchargers last year.
First pic is of the loose vac tube with the zip tie, not connected.
The question mark tube is to the MAP sensor.

 

hey...this happened to me, and i bent the mount that the MAP was connected to give it more slack and it worked fine...my mechanic did discnnect it and some it lost some slack in the process...

 

I found the hose and hooked it up no problem and then I took it out for a drive hit some black ice and ran my whole passengers side against a tree, so I guess the repair was in vain but thank you for your help none the less.

 

I had my engine replaced last week (2001 XJR) and my 'check engine light' came on. A P0105 code came up. After reading some posts, I looked at the MAP sensor plug and noticed the hose is missing. Where is is supposed to be connected to? I am hoping is was just not connected but I don't know where to look for ir's origin. The shop that did my motor is over an hour away, so I would need a ride back. Therefore, I'd rather do it myself if I can.
Thanks,
Jan

 

You might try online parts places for diagrams and thus figure it out.

May well be in the (free download) workshop manual (JTIS).

 

I am comming up empty on all my searches. I've looked for an unconnected hose all over the engine bay and think it is missing. I, of course, could install a new hose if I just knew where it led from.
Thanks