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Yea 7.4 vovlo replaced the IAC rough idel was good replaced
hi yea 7.4 vovlo replaced the IAC rough idel was good replaced water pump mest have loosend the fuel filter also suspect throttle position sensor if I unplug it there is no differance … read more
Jason
Jason
Marine Mechanic
18,814 satisfied customers
I have a 2007 Grady 283 Release powered by twin 250 4
second opinion] I have a 2007 Grady WHite 283 Release powered by twin 250 4 strokes. I have two issue that concern me. 1 - starboard engine blow water out of the exhaust opening above the water line, … read more
Jason
Jason
Marine Mechanic
18,814 satisfied customers
I have installed two new AIC control valves before we launched
I have installed two new AIC control valves before we launched the boat this year due to the boat stalling upon start up the year before. Engines are Mercruiser 7.4 2000 models. Upon launching, the bo… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,386 satisfied customers
Another question from this earlier post: "I have a 7.4 Gi
Another question from this earlier post: "I have a 7.4 Gi volvo penta (97'') and it was running mint and then it just slowed right down and stopped running. It turns over but shows no sign of starting… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Hi, I have a (1999) Volvo Penta 7.4 GI, Ive not had the boat
Hi, I have a (1999) Volvo Penta 7.4 GI, I've not had the boat that long the maximum RPM I was getting was around 3000 rpm (with an F7 SS prop) which got the boat to around 28-30 mph, I thought this wa… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I 6LP STE 315 Yanmars. The port engine fires up as soon as
I 6LP STE 315 Yanmars. The port engine fires up as soon as I push the stater switch. The starboard side use to fire up the same a the port side. Now the starboard engine turns over 5-6 times I release… read more
Jason
Jason
Marine Mechanic
18,814 satisfied customers
Hi, I have a 2004 Volvo Penta 5.7liter Gi that has two alarms
Hi, I have a 2004 Volvo Penta 5.7liter Gi that has two alarms going off: 1. Single Beep very 30 seconds 2. At high RPM's (4500+) the boat alarm will beep quickly, and then the engine automatically slo… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 2007 volvo penta 8.1 Gi-H with 20 hrs and am experiencing
I have a 2007 volvo penta 8.1 Gi-H with 20 hrs and am experiencing increased engine temps when the boat is running between 2000 and 2500 rpm. the temp runs normal at 3000rpm but when in rough seas we … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 1998 volvo penta 7.4 gi/dp. We have replaced the fuel
I have a 1998 volvo penta 7.4 gi/dp. We have replaced the fuel pump because it wasn't getting any fuel. now when we ran the boat to test it. It ran for about 30 minutes and then lost power to the fuel… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
WE HAVE A 2005 RINKER FIESTA VEE 342 WITH TWO VOLVO PENTA 5.7
WE HAVE A 2005 RINKER FIESTA VEE 342 WITH TWO VOLVO PENTA 5.7 OSXI-DF MOTORS. THE PORT MOTOR WILL ONLY TO GO 4000 RPM, BUT THE STERN MOTOR GOES TO 5000 RPM. WE ARE MIFFED.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a volvo penta 5.7 Gi in my Four Winns 268 vista cruiser.
I have a volvo penta 5.7 Gi in my Four Winns 268 vista cruiser. Started first time everytime for last four years, over the last few days it required two or three times cranking it over to start. Yeste… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 2001 volvo penta 7.4 gi with 1000 hrs on her.When
I have a 2001 volvo penta 7.4 gi with 1000 hrs on her.When idling ,sounds great but when you give her the throttle she breaks up,backfires & has no power.I have three cylinders reading 120#'s each & t… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 2001 7.4 gi volvo i/o,she idles beautiful,no knocking,
I have a 2001 7.4 gi volvo i/o,she idles beautiful,no knocking, can go anywhere @ 10 mph,then as I give her more throttle she backfires thru the flame arrestor & can't get up on plane,she has no power… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have twin 350 Mag 2003 my starboard engine keeps shutting
I have twin 350 Mag 2003 my starboard engine keeps shutting down after running at 35000 rpm's for about 30 minutes. THen it will shut down at 30000 in about and additional 15 minutes then at 25000 in … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 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 have twin volvo sterndrives. I have had the port side motor
I have twin volvo sterndrives. I have had the port side motor reconditioned and serviced not long ago. The port motor has always failed to get to maximum revs under load and still has since the servic… read more
Mechman45
Mechman45
Vocational, Technical or Trade School
152 satisfied customers
I have a 2001 Volvo Penta Gi-PEFS. The boat has not been used
I have a 2001 Volvo Penta Gi-PEFS. The boat has not been used much over the last 2 years, but I did a complete tune-up and addressed an overheating issue by changing the high-pressure fuel pump and ga… read more
TOM
TOM
Vocational, Technical or Trade Scho
196 satisfied customers
have a 7.4volvo runs good every once in a while at low idle
have a 7.4volvo runs good every once in a while at low idle 600-650rpm shuts down, but will start right up, feels like its starving for gas, but pumps seem fine… read more
TOM
TOM
Vocational, Technical or Trade Scho
196 satisfied customers
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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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