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Thread: Hesitation when accelerating
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09-30-2016, 05:21 PM #21
Making an assumption here since I don't know on your boat. I am guessing the low pressure pump is in the tank and the high pressure feeds the fuel rail/fuel inlet to the injectors. You want to check that the low pressure feeds from the tank is high volume, the one feeding the injectors is high pressure. To check the low volume one, take a gas can and run the pump straight into that, it should feed quite a bit with the end open.
I would check the fuel pressure on the high pressure feed line, it should be somewhere halfway close to 43psi (that's kind of standard but I am not sure what the TBI needs)
Sean
2004 MOOMBA Mobius LS
1987 Kawasaki JS-550 (What was I thinking?!)
2004 Kawasaki STX-12f
2002 Kawasaki STX-R (BrAaAaPp!?!)
2007 Kawasaki Ultra LX (shhh... it's got a vortech )
2001 Toyota Tundra (Long Travel Tow Vehicle )
Checkout my LED project here!
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09-30-2016, 06:01 PM #222008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
www.TraysonsToybox.com
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09-30-2016, 10:55 PM #23
Trayson is correct, it's the same as in his motor.
Sent from my Nexus 6 using Tapatalk2008 OBV
325 EFI with closed cooling
Gravity III with 750's in the rear, 400 stock floor, 750 IBS
Servo valve ballast upgrade
Wetsounds Rev10
JL Amps, WS420BT
2000 Outback LS <-- Sold!!!
310 Carb Direct Drive
800# Rear Locker
750# IBS (should have kept this for the OBV)
Dual Batteries with 2 Bank Charger System
Kenwood Head with Remotes
Too many hours restoring exterior from prior negligence to count!
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11-16-2016, 12:42 AM #24
Well finally got to test the fuel pump, been a month or more dealing with the wrong parts and bad weather but it seems to be working fine now. I'm still skeptical becuase after I did the plugs,wires,cap and rotor it worked fine then started again. Hope shes fixed and the last run wasnt a fluke because of weather changes or because the boats been in storage a while.
I'll keep ya posted, if anyone's still reading this post....
Lol2008 Moomba Mobius LSV.
325 ASSAULT
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11-29-2016, 10:48 PM #25
Well it did it again. Does anybody have any other ideas? I'm trying to find a dealer close by that will use my extended warranty. One dealer told me I need to go where I bought the boat...3.5 hours south!
2008 Moomba Mobius LSV.
325 ASSAULT
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12-05-2016, 08:38 PM #26Member
- Join Date
- Jan 2014
- Location
- Texas
- Posts
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12-09-2016, 12:16 AM #27
if you're possibly thinking it's fuel related, then the best thing to do would be to get some good fresh ethanol free gas and bypass your gas tank and have the fuel pump sucking fuel right out of a gas can. However, your problem seems to happen after some run time, right?
I wish I had more ideas for you. But I'm as stumped as you.2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
www.TraysonsToybox.com