VAG 3,4,5, and P1 Codes along with many other Manufacture Specific Codes! Please check it out on the App Store or Play Store!! In this Article I give you Volkswagen, Audi and Skoda or VAG engine management fault codes. Dec 16, 2016 · american made...says it all.engine light on (p1693), truck runs fine until tachometer stops working then the turbo doesn't kick in.after the truck is deiven a couple of hours tach starts working ... 2009 Hyundai Sonata turns over but will not start, sometimes. - 70,000 kms. Skip to content ... codes p1693 &p1696. 6 people found this helpful. Mark helpful.