I have a stock 96 psd standard transmission with over 400,000 km. Starts and idles well but for the 1st couple of kms it will lag in power and blow white smoke when pushed over 2,000 rpm after that it runs fine. Glow plugs ohm tested good. New valve cover gaskets and wiring (new pig tails) All seems well in the glow plug system. New exhaust back pressure sensor and tube cleaned out. Injectors passed buzz test. What next?
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