1999 Mercury 175 EFI will not start?

Like_mike-ike

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Jul 5, 2011
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My 175 EFI started great as usual yesterday morning, but then later on stalled out as I idled. I could not get it to restart. It cranks up, but just doesn't fire. So I learned the tough way how to load a bassboat without a motor.

I am looking at the mercury book. It say that the electroninc fuel pump will not work below 8 volts . Could this have been my issue? I did not charge the batteries the night before fishing yesterday.

Maybe fouled spark plugs? I have no idea. My mechanical knowledge is kindergarten level.
 

Faztbullet

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Mar 2, 2008
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15,938
Re: 1999 Mercury 175 EFI will not start?

Does the fuel pump run if switch is turned on? Is kill switch hooked up? Have you checked for spark?
 

Like_mike-ike

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Re: 1999 Mercury 175 EFI will not start?

How do I check to see if fuel pump is working?
 

Coloradolakeboy

Petty Officer 2nd Class
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Jun 21, 2010
Messages
197
Re: 1999 Mercury 175 EFI will not start?

Can you pull a gas line after the pump and crank it?
 
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