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 37EFI Vanguard won’t idle 
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MMT Member

Joined: Thu Jul 27, 2017 6:19 pm
Posts: 3
Post 37EFI Vanguard won’t idle
The motor won’t start unless you hold the throttle wide open. When it does start it seems like it’s flooding It runs really rough enough to shake the boat on the trailer. I checked both spark plugs and have good spark. I pulled the fuel filters and pumps apart and there is good fuel going to the injection. I haven’t tried pulling the injectors. Has anyone had this problem?


Sat Jun 23, 2018 5:45 pm
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
Post Re: 37EFI Vanguard won’t idle
Inspect the pushrods and set the valves first


Sat Jun 23, 2018 9:01 pm
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Joined: Sun Sep 01, 2013 2:53 pm
Posts: 3480
Location: Hardin County, Tx
Post Re: 37EFI Vanguard won’t idle
Yep, pull the valve covers, sounds like it may be running on one hole.

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Sun Jun 24, 2018 8:22 am
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Joined: Wed Jan 14, 2009 7:23 am
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Location: Tarkington, TX
Post Re: 37EFI Vanguard won’t idle

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Mon Jun 25, 2018 7:33 am
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