2006 Veccy 1.9 CDTI (150) sounds like its running on 3 cylinders when idling

[Vaine]

Like the title suggests, my 2006 vectra sounds like its running on 3 cylinders when idling on startup, and it usually lasts for a few minutes before the engine warms up a bit. If I then take her for a spin, shut down, then fire the engine up again, it's back.

Now I know of the '3rd injector wiring loom', however when I took the car to the dealership, their diagnostics tool found out that the 2nd injector was the issue and replaced both the wiring and the injector itself, to no avail. I then replaced the 3rd injector wiring myself, but the problem is still there. Could I have done it wrong? Are you supposed to replace the full length of the wire that comes with the kit?

[Vaine]

No-one?

[snapsnap]

From cold, touch the headers while running..that will tell you which cylinder is misfiring (if indeed it is missing at-all).

[snapsnap]

I have just moved a PC upstairs into the spare room; It connects wirelessly to my modem/router (downstairs). The connection quality is a bit hit-n-miss.

I did also have a network-capable HP printer connected to the modem/router that is downstairs (via a cable), but that is now stand-alone on the upstairs PC

I want to
a) improve the wireless quality of the PC upstairs
b) get the printer back on the network.

Will a wireless access point/router/extender do this?

Something like...
http://www.ebuyer.com/169923-tenda-w...xtender-w311r-

I was thinking of connecting it to the printer upstairs via cable (so bringing the printer ‘back’ on the network) and then the PC upstairs connecting wirelessly 'through' the access point, back down to the main modem/router that is downstairs

Is this pretty straifghtforward, or am I barking up the worng tree!!