| Stumbled on this JWT PDF doing ECU research for a friend. I think t is accurate for identifying ECU's by manual and auto as well as tt and NA- Here is the issue, I believe that JWT stock piles ecu's and sends out finished units that where not original to the car. i.e. my ECU was modified by JWT and came up as a 94 manual tt when my car is 92 manual tt. I wanted to see if some with original unmolested ECU's chart correctly? Anyone? looking to get a larger sample of data.... Converted it over to JPG, maybe Yugo and TTXTZ can save for their archives. I think it will help some in the future. Keywords - ECU part number identification model year auto manual tt numbers A18 C18 
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