98 mercury sable
 

My sable died and wont start feels like no compression but before I put a new chain in the timing chain I need to know is there any other places that would cause the same reaction or am I stuck tearing apart the engine without knowing the problem. could there be a bad switch or something I missed or maybe fuel prob, I pulled the plugs and were clean and firing except the threads seemed wet with fluid not sire if oil or what please anyone have any advice I can have thanks:(