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1996 150 optimax. System fault say check engine sensor?
1996 150 optimax. System fault say check engine sensor? … read more
Charles
Charles
Marine Mechanic
5,076 satisfied customers
I have S200J20HD, optimax, serial number OE439026 with just
I have S200J20HD, optimax, serial number OE439026 with just 30 hrs on it. Smart guage is showing a warning bell icon and motor icon. No warning beeps and engine gaurdian has not kicked in. Seems fine … read more
Charles
Charles
Marine Mechanic
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I have a 2001 Mercury Optimax 135 and recently took it in
I have a 2001 Mercury Optimax 135 and recently took it in for some repairs on the cooling system. The engine ran great except for the fact that I was getting 4 beeps every couple minutes. I checked th… read more
Charles
Charles
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Our Mercury OptiMax outboard engine is giving us a throttle
Our Mercury OptiMax outboard engine is giving us a throttle sensor failure warning light and the engine slows or stalls.… read more
Charles
Charles
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My smart craft gauge reads Fuel fault after adding gas, wont
my smart craft gauge reads Fuel fault after adding gas, wont clear … read more
Jason
Jason
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Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 2005 Mercury 225 optimax and the smart gauge gives
I have a 2005 Mercury 225 optimax and the smart gauge gives the fault that the oil pump is not getting voltage. The motor was running great until this fault began to show. I have checked everywhere I … read more
Jason
Jason
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Vocational, Technical or Trade Scho
17,310 satisfied customers
I have 3 bells coming on on my smart gauge with a ! In the
I have 3 bells coming on on my smart gauge with a ! In the middle it's for battery,temp, and I'm not sure what the other one is without looking what does that mean… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
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i have a 2006 150HP mercury optimax. this morning a 4 beep
i have a 2006 150HP mercury optimax. this morning a 4 beep every two minute alarm started going off. the display flashes a fuel pump and engine. i have eliminated low oil as the issue and believe that… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I HAVE A 2006 MERCURY 150 OPTIMAX ,A 4 BEEP ALARM COMES EVER
I HAVE A 2006 MERCURY 150 OPTIMAX ,A 4 BEEP ALARM COMES EVER 2-5 MIN. I CHANGE THE FUEL FITTER & LOW OIL SWITCH ON THE OIL RESERVOIR TANK & STILL GET THE ALARM.WHATS MY PROBLEM???… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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2004 mercury 150 optimax. Getting false readings and alarms
2004 mercury 150 optimax. Getting false readings and alarms for no oil and overheating. engine shuts down to idle. Smartcraft display ALWAYS shows 32F for temp. and 0.0 psi for oil. Other aspects of S… read more
Charles
Charles
Marine Mechanic
5,076 satisfied customers
I have a inboard jet Mercury optimax 215 hp for a sugarsand
hi i have a inboard jet Mercury optimax 215 hp for a sugarsand boat it beeps when i push the throttle full blast and won't shut off unless i stop the motor and turn it off. do you know what is wrong. … read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 2005 135hp optimax. The smartcraft guage was going
I have a 2005 135hp optimax. The smartcraft guage was going off with a bell icon in the top right of the guage. A mechanic sugested I change the fuel filter/water seperator which I did and it correcte… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
i HAVE A RANGER 2007 BASS BOAT WITH A MERCURY 150 OPTIMAX 2007
i HAVE A RANGER 2007 BASS BOAT WITH A MERCURY 150 OPTIMAX 2007 AND i HAVE WARNING SYMBOLS SHOWING AND i NEED TO KNOW WHAT THEY MEAN.… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,739 satisfied customers
when trying to get on plane it is bogging down and will not
when trying to get on plane it is bogging down and will not plane out. this is a 150 mercury optimax 1999.… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
Dear,Maestro. I have boston whaler 235 with 2 mercury 150
Dear,Maestro. I have boston whaler 235 with 2 mercury 150 optimax EFI made 1998. Both of engine starting well but one of engine has problem. I changed fuel cleaner of inside engine & tiny mesh part of… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
4,729 satisfied customers
I have a 95 xr6 150 merc started and ran fine . Would not start
I have a 95 xr6 150 merc started and ran fine . Would not start the second time that morning. Have determined that no spark is being sent to any plug. When cranking I get the repeating warning bell. W… read more
Pappy's Sales and Service
Pappy's Sales and Service
Vocational, Technical or Trade Scho
586 satisfied customers
I hace a 2002 Mercury 200 EFI, I am getting a 4 beep pulse
I hace a 2002 Mercury 200 EFI, I am getting a 4 beep pulse horn, no water in fuel, I borrowed a friends scan tool and I have a # XXXXX and #5 code lit up, I was wonder ing what the codes were and How … read more
Mechman45
Mechman45
Vocational, Technical or Trade School
152 satisfied customers
I own a 2002 Mercury 150 Optimax motor and have been told that
I own a 2002 Mercury 150 Optimax motor and have been told that I don't have to use optimax oil in it if I first remove all of it prior to using regular mercury oil. Since we live in a rural area of th… read more
FieldServiceTech
FieldServiceTech
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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