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Developed a cold start issue.
Wants to start cold and does but idles too low and dies. I can advance the throttle a tad, and she starts right up. No issues starting once warmed up, starts with a bump of the key. No other running issues, just the first start of the day.
Cap and rotor button are new. Had that issue a few weeks back, it started missing after running fine, it was arcing in he cap. Cap looked to be original, and the boat had about 475 hours on it at the time.
What are the plugs like?
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Try cleaning the idle air control. It probably has some carbon build up.
Replaced plugs yesterday, 4 were black, and they were all about .055 gap except for one of the black ones. it was around .030. They looked to be the originals, but I am not sure. They were the iridiums, and I replaced them with MR43LTS gapped at .045. Have to see how sehe starts this weekend.
Also replace the fuel filter, it didnt look to be too old, but hard to tell. It wasn't clogged could blow thru it with about the same resistance as the new one.
Where is that idle air control at? Any picturesQuote:
Originally Posted by Mikes
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