Mercruisers 7.4L starts and idles fine and then stalls on the port side

JoshuaC

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Joined
Sep 22, 2010
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2
I have twin inboard Mercruisers 7.4L engines. I just had a turn up. Start engines and let them run for 5 to 8 mintues and when pulling out of well port side stalls out. Gages all seem fine. I then fire it back up and runs great I even the the mechanic come back out and recheck the fuel filters and put a computer on and there are no codes. Not sure if anyone has experience this before? Any help or suggestions are welcome!!
 

JustJason

Vice Admiral
Joined
Aug 27, 2007
Messages
5,319
Re: Mercruisers 7.4L starts and idles fine and then stalls on the port side

Are we talking about a 1 time stall here or does it repeat itself? Can you make it repeat itself? It may be a fluke, it may be the in gear idle rpms are a tad to low, or it could be anything.
 

JoshuaC

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Joined
Sep 22, 2010
Messages
2
Re: Mercruisers 7.4L starts and idles fine and then stalls on the port side

This has happened twice now. Once about a two weeks ago when we were heading out and last night. Same thing! I thought just a fluke but, being it has happened again I am puzzled. How do you adjust the gear rpms?
 
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