1989 MARINER 175HP V6. IDLES ROUGH BUT RUNS VERY STRONG OFF IDLE. HAS 3 TWO BARREL CARBS WITH NO ADJUSTMENTS. APPEARS TO BE LOADING UP AT IDLE. I HAVE CLEANED CARBS AND RUN CLEANER THROUGH THE FUEL SYSTEM. PLEASE HELP, THIS MOTOR IS DRIVING ME CRAZY! THANKS, NICK
