I have had a nagging ignition problem - When under full power if you hit the trim button (up or down -makes no difference) you get a pop - similar to a small backfire and a slight reduction in rpm. Previously it would not accelerate without touching trim button - I found that by flexing the...
1992 OMC 5.7 LIter - Starts fine, idles fine - when accelerating -horrible misfiring - no power - often kills (Carb has been rebuilt) - Problem either goes away or gets a lot better if I hit the trim button (Up or down - makes no difference). I assume that by hitting trim button I am somehow...
