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I have a 2004 Four Winns 280 Horizon boat with twin 2003
I have a 2004 Four Winns 280 Horizon boat with twin 2003 Volvo Penta 5.0 Gxi engines . Recently serviced the boat and it was running great. I recently bought this boat and knew the gauges weren't work… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
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I have a 2006 Volvo Penta 4.3 gxi e wuth approx 200 hrs..The
I have a 2006 Volvo Penta 4.3 gxi e wuth approx 200 hrs..The previous owner rarely used or changed parts. Taking possession I had to change manifolds risers fuel pump gimbel bearing hoses and also a c… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
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Volvo penta 5.0 gxi port engine cranks but no start. had
volvo penta 5.0 gxi port engine cranks but no start. had engine serviced 3 weeks ago, manifolds/risers/spark plugs, sea pump. compression test all above 100psi. havent used in 2 weeks, now wont start… read more
Jason
Jason
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Vocational, Technical or Trade School
20,899 satisfied customers
I have a cruisers yacht with two d9-575 Volvo penta diesels. The starboard engine is runn
I have a cruisers yacht with two d9-575 Volvo penta diesels. The starboard engine is running hotter than the other. This began at the end of last season in conjunction with a starting problem. At the … read more
Jason
Jason
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Vocational, Technical or Trade School
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Fuel Pressure Problems at high RPMS Volvo Penta D6 370s
I have a twin volvo penta d6 370 engines, 2012. They have 200 hours on them. The PSI for the starboard is 32-33 psi at 3600 rpms and the port gets up to 18-19 psi and falls back down and the engine is… read more
Expert
Expert
Have two 1999 Tamaha 200s. one just had a new power head replacement
Have two 1999 Tamaha 200's. one just had a new power head replacement After break in period, on the starboard engine, neither would turn over 3600 rpm, Both engines would appear to " load up" and stal… read more
Charles
Charles
Certified Mercury Tech
5,638 satisfied customers
I have twin Volvo Penta 5.7 L GXI A s. Last evening on a
I have twin Volvo Penta 5.7 L GXI A 's. Last evening on a cruise, i could not get more 3000 rpm on the port engine and it was running rough. Back at the dock, at rpm over 2500 it would "bark' and run … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I am having VOLVO PENTA KAMD 300 INBOARD DIESEL TWIN ENGINES
I am having VOLVO PENTA KAMD 300 INBOARD DIESEL TWIN ENGINES ON 40 FOOT BOAT with Volvo penta engine information display for both engines. When we give full throttle it goes only upto 2000 RPM and spe… read more
K. Kergan
K. Kergan
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Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a yacht repair business in Washington State, but this
I have a yacht repair business in Washington State, but this Volvo Penta has me stumped. One of my customers came to me one day and said his Volvo 5.0 TBI starts but would not run for more than a few … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 2004 Volvo penta gxi 5.0 replaced fuel pump ran great
I have a 2004 Volvo penta gxi 5.0 replaced fuel pump ran great for 3 weeks started having problems would'nt idel. Was told it was a bad fuel pump retuned it to company sent me a new one put that on ra… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 1996 Chris Craft Continental 38 with twin Volvo Penta
I have a 1996 Chris Craft Continental 38 with twin Volvo Penta 7.4L Gi engines. My port engine when warm will stall periodically(25% of time) after reducing throttle from 1,000+ RPM to idle 600 RPM. B… read more
orcamarine
orcamarine
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Vocational, Technical or Trade Scho
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I have twin mercruiser engines in my 32 boat. At idle and
I have twin mercruiser engines in my 32' boat. At idle and low rpms the engines run smoothly and seem fine. As the rpms increase to 3000 and above the starboard engine lags behind and won't make 4000 … read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
1,865 satisfied customers
Hi have twin volvo penta KAMD44P engines and port engine will
Hi have twin volvo penta KAMD44P engines and port engine will not go above 3500 RPM while starboard goes to 3900 rpm even when in sync mode.… read more
Charles
Charles
Certified Mercury Tech
5,638 satisfied customers
I have twin volvo penta 5.7 GXil-F gas engines, today the port
I have twin volvo penta 5.7 GXil-F gas engines, today the port side engine ran at a much lower RPM than the starboard engine, almost 800 to 900 RPMs lower. After about 30 minutes the port side engine … read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
My two Volvo Penta 8.1L Gi 375 hp has lost power and will not
My two Volvo Penta 8.1L Gi 375 hp has lost power and will not pull. It runs smoothly but will not get above 2200 rpm even at WOT. I have replaced the fuel pumps and filters . I have put in a fuel inje… read more
John White
John White
Marine Mechanic
Vocational, Technical or Trade Scho
306 satisfied customers
i have a 1989 340DA sea ray with twin 7.4 carb. while out
i have a 1989 340DA sea ray with twin 7.4 carb. while out on the boat last night.. about 40 mins into the cruise heard a "bump" behind myself (starboard engine) sounded like someone closing a cabinet.… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I seem to have carbon buildup on my cylinders according to
I seem to have carbon buildup on my cylinders according to my mechanic. I ran the boat for about 8-9 hours over two weekends and 6 of the 8 plugs were fouled. He put a new coil in and cleaned the plug… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have twin volvo penta 5.0 Osi with composite out drives,,
I have twin volvo penta 5.0 Osi with composite out drives,, 135 hrs, the port engine stalls at low speeds during docking or just when I power down. Not all the time, but enough to be a nuisance. No al… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

1,865 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

20,899 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,409 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,730 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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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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