Hi folks, ive had my astra vxr (07 z20leh) for a yr and half now, never had a problem until today. It was fine going to and from work but, when i went out after i started to notice some smoke from the exhaust, more than would be caused by usual condensation. Its, from what i can tell, a white smoke....which im informed is usually coolant leak however i havent used any excess fluid and the coolant is still on the same level it has been when i flushed it 6 months ago which guides me away from this idea. It is very possible that it is a very light blue(oil) and i just cant tell?. I did a compression test and all were on 150psi except piston 1 which was closer to 140psi but my local garage assured me on the phone that this slight drop is nothing to be worried about. Im now confused any help would be appreciated. Id rather not have garages charge me £xxxx to speculate what it most likely isnt.
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