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[jonny2112]

Location is definitely a big factor. Well, that and my lack of ability 
But yes, disappointed that I couldn't get to the bottom of it 

[twiglet]

Cant believe that OOF hasnt managed to come up with the answer in the end.It doesnt happen very often. Would have probably been easier if you were located where someone could nip over and take a look without having to resort to sleazyjet etc.

Albs, sounds like this could be the perfect excuse for me and you to have a lads weekend away on the lash pop over to your homeland to help a fellow member out... 

[albitz]

Unfortunately I cant do that in the near future James.

[Webby the Bear]

Cant believe that OOF hasnt managed to come up with the answer in the end.It doesnt happen very often. Would have probably been easier if you were located where someone could nip over and take a look without having to resort to sleazyjet etc.

Albs, sounds like this could be the perfect excuse for me and you to have a lads weekend away on the lash pop over to your homeland to help a fellow member out... 

count me in if you go 

[JamesV6CDX]

Jonny, I'd still gladly consider coming over on my rests, but we do need to get it compression tested first. It would be daft (for the sake of your pocket) me coming all that way just to do a simple test...

[jonny2112]

Yep, I missed that in your last post initially. I don't have the equipment (though should really check that out), but am making arrangements to have it done on Monday 

[JamesV6CDX]

Yep, I missed that in your last post initially. I don't have the equipment (though should really check that out), but am making arrangements to have it done on Monday 

No worries mate, and nice one. They cost about £20, so if you're being charged much more then get one yourself, always useful in the toolbox

Basically, car needs air, fuel, spark and compression to run. So need to try and check the last one on the list

[jonny2112]

I see halfrauds do a tester for £25. Not sure if its available with their TC?
If I do manage to get one, what am I looking for? If I test all six plugs, am I looking for variance?

Edit - must type faster 

[JamesV6CDX]

I see halfrauds do a tester for £25. Not sure if its available with their TC?
If I do manage to get one, what am I looking for? If I test all six plugs, am I looking for variance?

Edit - must type faster 

Just make sure each one has compression really. If you were looking for head gasket trouble, which you're not obviously, then variance would be the key between any 2 cylinders... but in this instance we just want to make sure each one has compresion, especially the cylinders which are throwing codes.

I think it will be fine but does need ruling out

[jonny2112]

Fair enough mate 
I'll try and sort something out then.

[Webby the Bear]

check out my ''mechanic school blog''. i recently did one for the first time. piece of piddle.

 

[jonny2112]

Cheers Webby 

[05omegav6]

Ideally looking for at least 8.5 bar, but as James has already said, as long as they register compression and are all similar, the it helps to rule it out

[Webby the Bear]

no probs mate... here's the link.

http://www.omegaowners.com/forum/index.php?topic=106724.135

you want to read how i do it on page 9

BUT YOU MUST ALSO READ MarkDTM's observations on page 10 to get it exactly right (as i think i forgot to mention having a wide open throttle when doing it   

[albitz]

A major variance between cylinders is the biggest indicator that theres a problem.Its also possible that all cylinders could be reading very low.
Best approach imo is to do what I did.Get a tester,note the figures for each cylinder and post them on here for advice.
Plenty of youtube vids to show how to use one,although its pretty straightforward.