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1989 sea ray mercruiser 3.0. Engine starts and idles fine.
1989 sea ray mercruiser 3.0. Engine starts and idles fine. When put in gear will move along fine at idles speed. When you advance throttle engine shuts off. I pull throttle back into neutral , turn ke… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,319 satisfied customers
Whats your charge for info? Mercruiser 5.0 MPI, 2005 model.
Mercruiser 5.0 MPI, 2005 model. Engine will crank but immediately shuts off. Thinking oil pressure sensor. After driving yesterday, all the sudden lost all power. Now will crank but shuts off. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,319 satisfied customers
Mercruiser 5.0 was idling perfect after a day on the lake
Mercruiser 5.0 was idling perfect after a day on the lake and suddenly it stopped and won't start. Full of fuel. I see that the crank position sensor seems to be a problem. I'm going to change the fue… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,319 satisfied customers
2000 Mercruiser 3.0 with distributorless ignition. Bought at
2000 Mercruiser 3.0 with distributorless ignition. Bought at the end of last year. PO had not use for at least a year so, I know I have old gasoline (at least 30-40 gals). I put stabile when winterize… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,319 satisfied customers
1995 Sea Ray Sundancer 330 with V drives. Port Engine starts
1995 Sea Ray Sundancer 330 with V drives. Port Engine starts up runs fine, after shutdown for an hour engine restarts appears to run out the fuel in the carburetor and then dies from lack of fuel... L… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,803 satisfied customers
I have a 1988 stingray with a 3.0 mercruiser. The boat will
I have a 1988 stingray with a 3.0 mercruiser. The boat will run and idle fine forever. As soon as you throttle up and get going it loses power and shuts down. We have rebuilt the carburetor, new fuel … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,319 satisfied customers
I have a 1995 chappral 21ft with a 5.7L mercruiser alpha 1
I have a 1995 chappral 21ft with a 5.7L mercruiser alpha 1 TBI. I'm having fuel delivery problems after it runs for a period of time. I've changed the fuelwater seperation filter. dumped old fuel in f… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
I am looking for a Mercruise Mechanic--I own a 2001 350 Horizon
I am looking for a Mercruise Mechanic--I own a 2001 350 Horizon MPI--Engines have 450 hrs..Here's the problem...At 3000 RPM after 25 to 40 minutes engine looses RPM-gains it--loses it and gains it unt… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
My mercruiser 4.3L 1988 I/O sputters and spits after 1 hr of
My mercruiser 4.3L 1988 I/O sputters and spits after 1 hr of run time - any suggestions what this could be? Its a carburated engine with electronic ignition. This issue has happened the last 3 times I… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
ive got a 1988 mercruiser 350 v8. Ive changed the plugs,
i've got a 1988 mercruiser 350 v8. I've changed the plugs, wire, fuel filters and coil resently. Twice now I have started the engin, it will run for about 15-20 min then cut off. The engin will turnov… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
1986 3.0 LITER MERCRUISER, STARTS HARD, BUT WILL START AND
1986 3.0 LITER MERCRUISER, STARTS HARD, BUT WILL START AND IDLE,GO TO GIVE IT THROTTLE,AND IT BOGS DOWN,AND STALLS OUT..TRIED EVERYTHING,.NOTHING SEEMS TO HELP… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
My 92 Malibu Euro F3 died in the water the other day full
My 92' Malibu Euro F3 died in the water the other day full of gas. I tried squirting small amounts of fuel in the carb and that did not get the engine to run on it's own. I removed the fuel/water sepe… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a 2000 Sea Ray with t/7-4 mercruiser MPI engines, the
I have a 2000 Sea Ray with t/7-4 mercruiser MPI engines, the starboard engine RPM jumps to high RPM and then lowers when giving it throttle, the boat also surges at low idle speed of 1ooo RPM. Does it… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
I have a 1995 Chaparrel with a 4.3 L LX Mercruiser V6. I have
I have a 1995 Chaparrel with a 4.3 L LX Mercruiser V6. I have never run into issues before but it seems like after use when it sits in the water, I have problems the next day. It will start but then a… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
I have a mercruiser 3.0 Alpha One and after about 10 minutes
I have a mercruiser 3.0 Alpha One and after about 10 minutes of use the engine seems to cut out. The revs go down then back up repeativly. Idling is fine. Don't see a fuel filter. Let the engine sit a… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
I have a 2007 mercruiser 496 mag that will run fine at idel/cruising
I have a 2007 mercruiser 496 mag that will run fine at idel/cruising but as soon as we give it the throtle the engine sounds like it is starving and shuts off. We have changed all of the sensors, iac … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
I have a 1988 3.0 Liter In-line 6 cylinder Mercrusier Alpha
I have a 1988 3.0 Liter In-line 6 cylinder Mercrusier Alpha One stern drive unit in my boat. The engine always seems a little hard to start as it acts like it is slightly flooded and requires 3 to 4 s… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
i change the spark plug roter and cap fuel/water filter and
i change the spark plug roter and cap fuel/water filter and it seem there is no gas when im putting it in gear and having a hard time starting the engine (mercruiser 5.7 liter 1988 alpha one with thun… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
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Dominick

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Jeff G.

Jeff G.

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Captain Dave

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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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