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Hey thanks. I did check all this but wasn't the issue. The issue was a weired one ....after all the crap I swapped I decided to remove the pcm ..unplug the connectors and reseat the connectors/plugs. Bolt pcm back and also I added 2 new earths from battery. One to engine and one to chassis. In unsure which of the three had an affect but it's been 2 weeks since and it hasn't done the issue since. The earths are just a temp solution as I'm going on a long trip in a couple days and honestly do not want to disturb the car as it's being good since I done this stuff. So it either ra bad ground from chassis to engine....even though the strap looks good etc and clean and connections are clean or it was the one from battery to chassis ..but it's been replaced 6 months back and is clean Orr it was a bad connection at PCM Either way it may or may not show it's ugly side again. Anyone who has similar issues if suggest reseating the plugs on PCM anyway a d checking earths

So I took dump, waste gate screamer, heat sheilds and water and oil lines off turbo, removed manifold and turbo as one piece and found bad exhaust leaks on both ends of the Artec manifold. It was still all done up tight and couldnt come loose because I had atomic anchorlox nuts holding it on. Manifold flange is badly warped, banana ed. Very disappointing. Anyway I rang the retailer and they got hold of Artec and lots of photos and emails later Artec sent me a brand new manifold, this one has a flat flange, I checked it. I didnt check the first one when I first got it but it didnt leak until 1500ish kms. So iv installed it all again, I bought new Tinnix inconel studs and new atomic anchorlox nuts and its all go again. I had to send my old warped manifold back. Thankyou Artec for coming to the party.

Hi All, Turns out it was the instrument cluster/speedo causing the indicator issue, glad that ones been solved! All your responses were spot on though these are things the Mechanic and Autoelec had ruled out. I've had the car for 7 months now, It's an ex company car that was kept very clean, picked it up with 79k on the clock, Ego with black interior and factory 18" wheels. Only mods so far are some lowered springs and tint. No plans for tuning yet but I wont rule it out. Overall very happy with the car. Thanks for your replies. Gary