Car wont start on 1990 Porsche 944

I replaced the valve cover gasket and the can now will not start. Does not fire at all. What could be causing this?

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
sounds like a wire or connector came loose better recheck every wire or connector that you came in contact with in the valve cover area