I have a 2000 350 h.p. fuel injected merc cruiser-work done-spark plugs- new fuel injectors-distributor cap and wires-fuel filters-fuel pump regulator- cap and rotor kit-- still issues running and smelling rich as well as rough with higher speed miss-any possible bits of advice to look into would be appreciated-Does burn a little blue- mechanic said compression checked out I hope he is right-Regards Andy also is there any computer scanning device that can hook in to engine Tech mate is 600 a little rich for my budget