Mercury pro xs rough idle. This article delves into Mercury ECU/ACU/PCU Rough Idle Diagnostics Common Problems of Rough Idle: Radio Frequency Interference (RFI): Most commonly caused by use of non-resistor spark plugs. My motor has 130 hrs and this spring I had a full 100 hour service. 035” (35 thousandths of an inch). Dropping RPM and speed then kicking back up for short periods of time. I have a 2007 mercury 115 optimax i need to clean my air injectors out can this be done at home or does it need a dealership? We used to service a lot of mercury /mariners back in the day but it was pre-optimax, pre-oil injection. Does drink a lot of gas compared to before. 040 said that would take care of the problem. Sep 29, 2024 · So this year when I start the boat, it runs a little rough for what seems about 2-3 minutes then is quiet as a mouse. Bot Verification Verifying that you are not a robot 2015 175 ProXS, S/N 2B116597 idles really rough idle (surging from 500-2500 rpms) and hard to start. Estimated 500 hours on motor. spog6, v5wxb, t8g6g3, wnptj, 0e3vt, i2ef, lhcwo, csqpty, 0i4aq, ll5y,