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Engine starts but will not idle yet ran perfectly two days…

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Engine starts but will not...
Engine starts but will not idle yet ran perfectly two days ago - gas tank is half full
Submitted: 3 years ago.Category: Boat
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Answered in 1 minute by:
7/3/2015
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
Jason
Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 18,240
Experience: Degree in Marine Technology. Gas and diesel marine mechanic.
Verified
Hello my name is ***** ***** am I speaking with?
I read what you wrote but I don't see any kind of questions from you, so I don't know what your expectations are. How is it I can help you?
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Customer reply replied 3 years ago
Hi Jason, what do you think is causing my starting problem.
Customer reply replied 3 years ago
The engine will start if it's been left for a while but fails to idle and cuts off and cannot be restarted.
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
Is there a primer bulb on the boat? With the engine run at a higher rpm if you raise the throttle?
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Customer reply replied 3 years ago
Yes, there is a primer bulb. It cuts off before I have a chance to rev the engine
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
Are you pumping the bulb until firm before you start it?
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Customer reply replied 3 years ago
Yes, I did that.
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
So is the engine not idling.... Or is it basically not starting at all? Will it stay running with starting fluid?
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Customer reply replied 3 years ago
If left for while (time varies) the engine will start but idles for 2 or 3 seconds before cutting out. Then it will not restart unless left for a while.
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
On your throttle handle, do you have the option to put it into neutral and rev it up in neutral? If yes, can you start it wit the throttle 1/4 way open?
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Customer reply replied 3 years ago
Is that where press the rubber button on the side of the throttle control?
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
yes
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Customer reply replied 3 years ago
Can you walk me thru that process ?
Marine Mechanic: Jason, Marine Mechanic replied 3 years ago
Push the button in and push the handle forward.
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Customer reply replied 3 years ago
Do I press and hold the neutral button as I move the throttle lever 1/4 forward, and the start the engine?
Customer reply replied 3 years ago
R u still there?
Marine Mechanic: Charles, Marine Mechanic replied 3 years ago
Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 4,925
Experience: US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
Verified
Hello, my name is***** will be assisting you now. do you still need asistance with the engine?
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Customer reply replied 3 years ago
Yes
Marine Mechanic: Charles, Marine Mechanic replied 3 years ago
Ok, first, check the filter on the engine for water. Remove the housing,and pour the constants into a jar and look for two layers.
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