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04-08-2010, 12:54 PM
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#1
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Member
Join Date: May 2007
Posts: 34
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Started and ran momentarily then quit, I hear the fuel pump when the prime button is held down and it sounds too loud. The start light is blinking some code. 4 blinks then 5 blinks? anone have an idea of what is going on here?
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Chuck
04 Winnebago 33v
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04-08-2010, 01:34 PM
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#2
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iRV2 Marketing
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 20,594
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Quote:
Originally Posted by Mortgagehomes
Started and ran momentarily then quit, I hear the fuel pump when the prime button is held down and it sounds too loud. The start light is blinking some code. 4 blinks then 5 blinks? anone have an idea of what is going on here?
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Please check your oil level just to humor me. √ 
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04-08-2010, 01:43 PM
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#3
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Member
Join Date: May 2007
Posts: 34
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Will do, I will let you know what I find.
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Chuck
04 Winnebago 33v
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04-08-2010, 02:31 PM
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#4
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Community Administrator
Newmar Owners Club
Join Date: Jan 2010
Posts: 4,593
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Fault code 45 is a speed sensor code. It may not be sensing any output. Check slip rings for corrosion.
Okay, I'll ask. Do you have more than 1/4 tank of fuel?
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2007 Newmar DSDP 4023
Discovery is seeing what everyone else has seen and thinking what no one else has thought.
If you want to see what man made go East; if you want to see what God made go West.
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04-08-2010, 05:10 PM
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#5
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Senior Member
Join Date: Sep 2009
Posts: 407
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Mine doesn't show any codes but does the same thing for about 5-6 times before it stays running. Full tank of gas, oil good, just serviced in December. Any ideas?
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Got stationed in Hawaii so we sold our setup 
2011 Dodge 3500 Laramie 4x4, SRW, 6.7 Cummins
2010 Carriage Cameo 35SB3 5RV
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04-08-2010, 07:52 PM
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#6
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Senior Member
Tiffin Owners Club
Join Date: Feb 2010
Posts: 180
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The "fuel pump sounds too loud" is the dead giveaway, the diaphragm is weak, might be time for a new one.
For what it's worth, I keep a $18 electric fuel pump (from Checker Auto) with several connectors/adapters etc. handy just for testing, it's great for troubleshooting or for temporary use to save the weekend... 
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2000 40' Tiffin Allegro Bus \ 2003 Chaparral 260 SSI
1995 32 x 8 Party Cruiser pontoon FOR SALE
1988 53 x 14 Skipperliner Custom houseboat
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04-10-2010, 12:25 PM
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#7
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Senior Member
Join Date: Apr 2009
Location: Leonard, TX
Posts: 127
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Check for small leaks in the hoses. these pumps are low pressure (~3.5 PSI) and older hoses develop small cracks that allow air to enter the line. Mine would work fine with a full tank, but become hard to start when down to half a tank than then cut out completely well before reaching 1/4 tank. Replaced a short section of hose and everything was cool again - never did identify an actual leak.
Ernie
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Ernie n Tara
Remember! Life is not a rehearsal!
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04-12-2010, 12:02 PM
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#8
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Member
Join Date: May 2007
Posts: 34
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OK, so far fuel is just under half a tank, and Oil level is in range. I dont know anything about the slip ring mentioned. How is that checked? I am going to check out the fuel pump this weekend the louder pump sounds like a possibility.
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Chuck
04 Winnebago 33v
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04-18-2010, 09:06 AM
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#9
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Member
Join Date: May 2007
Posts: 34
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OK I hate to admit it but it is operator fatigue. Motorhome was parked with front slightly up hill. Even though the fuel guage read just under half a tank the pick up for the gen set is in the front of the tank. The quarter tank rule only works out correctly when the motorhome is level. :-(
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Chuck
04 Winnebago 33v
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04-19-2010, 02:00 PM
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#10
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Member
Join Date: Jun 2009
Posts: 45
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had the same problem replaced small section of hose and the world is right again.02 Bounder.
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