I installed a new timing chain and had all 7 marks set. Then released the tensioners. Check the timing and it’s off 1 tooth. Redo everything and check - off again by 1 tooth. I finally redid it and put the engine back together. Now I have a P0016 code for crank and cam sensor issue. TIMING IS...

Does anyone have the procedure for timing? The engine has been stripped on the top end to replace the head gasket and look for damage. I see no obvious timing marks, i have the haynes maual but information for the 2.8 engine is slim as it focuses heavy on the 3ltr and 4 ltr engine. Any help...