I have only owned N* equipped Caddys and but I found a nice 1994 Deville that has a 4.9L. It drives nice but has a current hot start issue (fuel pressure bleed off somewhere). I was wondering what are the common problems that 4.9s have? I know N*s are Headgasket leaks, EGR valves, etc. but what are the main issues on the 4.9Ls. Thanks.