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07-02-2016, 07:42 PM #1Member
- Join Date
- Apr 2015
- Location
- Birmingham, AL
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- 41
Boats runs, then sounds bad and won't run! Help!
So this happened last week and I thought I fixed it with a fuel flyer last week.
So here's the problem:
I put it in the water this morning, ran about 20 minutes then pulled up and parked at the pier for about 2 hours. We got in after lunch going to ride, pulled tubes for about 30 min or so and anchored up to some friends to swim. Boat was off as we swam for about an hour. We got back in the surf and it turns over fine but will not crank at all. It has a brand new fuel filter in it. It would eventually crank after about 10 min but sounded awful and wouldn't go into gear. It doesn't even idle smooth. But idles less when I put it into gear(I wouldn't really call it idling-sounds really rough). I opened the gas to see if it was vapor lock and that wasn't it. AND HERES THE KICKER.... Once I was towed back to dock and got a ride to go around a get my trailer, when I got back to trailer it, it cranks fine and trailered with no problem. This is the exact thing that happened last weekend but I thought I fixed it with the fuel filter. Apparently not. Please Help! I'd hate to take it to the dealer and not have it for a few weeks at the least b/c they can't get to it.
Things I've tried:
New fuel filter
Opened gas to see if it's vapor lock
Took the fuel like off filter and see if it pulling which it is.
I've run sea-foam, sta-bil marine.
Chevron gas, same that's in my truck.
2006 Möbius LSV
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07-02-2016, 09:12 PM #2
Boats runs, then sounds bad and won't run! Help!
What do you mean by open the gas to see if it's vapor lock?
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07-02-2016, 09:18 PM #3Member
- Join Date
- Apr 2015
- Location
- Birmingham, AL
- Posts
- 41
I've heard of vapor lock and but didnt really know exactly what it was. i was told it could help by opening the gas, where you pour it in). That's what he suggested. Tried it, didn't work.
2006 Möbius LSV
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07-02-2016, 09:27 PM #4
You check fuel pump?
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07-02-2016, 10:49 PM #5Member
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- Apr 2015
- Location
- Birmingham, AL
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- 41
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07-02-2016, 09:53 PM #6
Boats runs, then sounds bad and won't run! Help!
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07-02-2016, 10:52 PM #7Member
- Join Date
- Apr 2015
- Location
- Birmingham, AL
- Posts
- 41
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07-02-2016, 10:59 PM #8
Boats runs, then sounds bad and won't run! Help!
I think running your blower and opening the engine compartment after sitting for a long time can help. I'm not sure if there is a real fix.
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07-03-2016, 12:19 AM #9Senior Member
- Join Date
- Feb 2010
- Location
- Fayetteville, GA
- Posts
- 169
He Is Right it is Vapor Lock and there is no fix, though I've been told by the SC dealer about a fix of mounting another fuel pump in the line, but it's easy to manage around it. Turn Blower on when you stop, especially after a long run, will usually keep it from happening. If it happens, a cup of Ice water poured right on the fuel pump instantly fixes mine
Definition: Vapor lock is a problem that mostly affects gasoline-fueled internal combustion engines.
It occurs when the liquid fuel changes state from liquid to gas while still in the fuel delivery system. This disrupts the operation of the fuel pump, causing loss of feed pressure to the carburetor or fuel injection system, resulting in transient loss of power or complete stalling. Restarting the engine from this state may be difficult.
That's from Wikipedia.FamilyMatters
2009 Outback
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07-03-2016, 01:01 AM #10Member
- Join Date
- Apr 2015
- Location
- Birmingham, AL
- Posts
- 41
Thanks FamilyMatters and Dan. I put it on the trailer but we are still down at our house. Im going to putnit in the water in the morning and hope for the best. Im going to run my blower most of the time and go from there. Thanks guys for the help. I appreciate and hope that solves it. I'll post how tomorrow goes
2006 Möbius LSV