mij Posted July 21, 2016 Share Posted July 21, 2016 Hi all Right so my 2003 350z had decided to start throwing out plumes of blue smoke all.of a sudden. been told it seems like worn piston rings so not a cheap fix. anyone know where to get it fixed or does anyone have an engine for sale? Quote Link to comment Share on other sites More sharing options...
mij Posted July 21, 2016 Author Share Posted July 21, 2016 A little more info on what car is actually doing. getting oil on plugs blue smoke when accelerating and start up misfire but when plugs are cleaned misfire disappears for a small while no warning lights on dash im very confused, mechanics around where i am (lancashire) are scared to take the job on. Quote Link to comment Share on other sites More sharing options...
StevoD Posted July 21, 2016 Share Posted July 21, 2016 could be a number of things full strip down time Quote Link to comment Share on other sites More sharing options...
modo Posted July 21, 2016 Share Posted July 21, 2016 I`m not an expert, but a compression test might give a hint! Quote Link to comment Share on other sites More sharing options...
mij Posted July 21, 2016 Author Share Posted July 21, 2016 appreciate the reply. my worst fears are confirmed Quote Link to comment Share on other sites More sharing options...
mij Posted July 21, 2016 Author Share Posted July 21, 2016 a compression test would be a start...couple people have mentioned that. think i might just replace the engine Quote Link to comment Share on other sites More sharing options...
Ekona Posted July 21, 2016 Share Posted July 21, 2016 im very confused, mechanics around where i am (lancashire) are scared to take the job on. Then they're not mechanics. Sadly I tend to agree with the others, this is looking very much like a rebuild job. Quote Link to comment Share on other sites More sharing options...
Adam B Posted July 21, 2016 Share Posted July 21, 2016 Valve stem seals, blue smoke on startup, worse when cold. Under acceleration, piston ring bypass Fouling plugs, piston rings, valve stems or massively overfueling. Smell fuel when changing oil? [bore wash, piston ring damage, dead engine] Cheapest option Is probably to get good 2nd hand engine. Find someone you trust to change it. If you want to know whats wrong you need a compression test to check piston ring seal, if thats ok a leakdown test will check valve seal etc [disclaimer : This is an internet diagnosis and is not worth the web page its written on] Quote Link to comment Share on other sites More sharing options...
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