Merc 150 shuts down periodically

odincars

Recruit
Joined
Jul 24, 2010
Messages
1
My Mercury outboard is a 1996 EFI 150 hsp. Has good compression, starts easily and runs smoothly thru the entire power range. Power is good with a top speed of 61mph on my 18 ft bass boat(Skeeter).

Here is my problem. On occasions when trolling at 4-6 mph the engine will suddenly shut off. This problem now occurs at high speed also. the engine will immediately restart without any problems or hesitations. The problems was very sporadic, but recently has become a problem more frequently, to the point I am afraid to use it.

I have checked the fuel line for restrictions and have clear fuel, I also checked the vent and it is open and free. I replaced the filter/water separator last fall and I had not had any problems until about two weeks ago. If anyone can shed some light on what possible problems I may be facing I would really appreciate the help. Thanks in advance, Don.
 

Coloradolakeboy

Petty Officer 2nd Class
Joined
Jun 21, 2010
Messages
197
Re: Merc 150 shuts down periodically

It could be several different things. I would start by checking the kill switch wiring on your remote control.
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,938
Re: Merc 150 shuts down periodically

Does it suddenly shut off like key was turned off or does it stall and lose rpms and die?
 
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