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08-28-2014, 07:46 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Mar 2014
Location: Mount Joy, PA
Posts: 124
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DP engine cutting out (???)
Used our DP several times in the last month without issue. This trip was a stressful one. It kept intermittently cutting out (like it was missing) when accelerating. The Warning light on the panel would come on briefly or blink once or twice then stop. We were thankful we made it to our destination and hope we will make it home. Can't for the life of us figure out what the problem is.
Anyone every had this same issue. It is a 2002 Monaco Diplomat.
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08-28-2014, 08:11 PM
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#2
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Senior Member
Monaco Owners Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Jan 2011
Location: Avon Lake, Oh
Posts: 2,958
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First thought are fuel filters.
__________________
2000 HOLIDAY RAMBLER ENDEAVOR
40 FT--330HP CAT
2 SLIDES-TOAD 2012 focus
Fulltime-Home is where we park it.
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08-28-2014, 08:13 PM
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#3
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Nov 2013
Location: Warren, OR
Posts: 177
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x2. Fuel filters is my first guess as well.
__________________
Lyman & Deb; Charlie (Portuguese Water Dog) and Castro (Havanese); Portland, Oregon
2004 Itasca Horizon 40AD
2015 Jeep Wrangler JK
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08-28-2014, 08:49 PM
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#4
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Senior Member
Join Date: Jul 2008
Posts: 192
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Went through a simular experience on mine recently. Thought it was filters or bad fuel. Changed the filters several times. Ended up being the high pressure fuel pump. $$$$$$$$ hope it's just filters in yours.
__________________
Colorful Colorado
2002 Fleetwood Revolution 38B
Cummins 8.3L ISC
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08-28-2014, 08:56 PM
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#5
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Member
Vintage RV Owners Club Fleetwood Owners Club Ford Super Duty Owner
Join Date: Oct 2013
Location: St Cloud, FL
Posts: 56
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Check air/fuel filter and if it keeps doing it then check lift pump
__________________
Rick
2014 Fleetwood Southwind 36L
1974 Airstream Sovereign 31
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08-29-2014, 12:12 AM
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#6
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Apr 2012
Posts: 2,079
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Check fuel filters. Mine was doing that also. Replaced filters and it cured the problem.
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08-29-2014, 02:45 AM
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#7
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Senior Member
Join Date: Oct 2012
Location: Kutztown, PA
Posts: 471
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Had similar issues ....word to the wise make sure you replace both filters! In our particular case the primary fuel filter aka the Razor was not visible and was tucked up in the chassis behind something and totally surrounded by wires. It took three visits to three different diesel repair sites to finally resolve the issue. To make matters worse when they finally located the filter ...it was the original one from 2008! After all the time, money and frustration the MH is running like new again.
__________________
Brian and Kim VanBuskirk
2008 Damon Tuscany 40 DP
Tow: 20" Trailer with Classic C3 Corvettes
Car Dolly: Mini Cooper Clubman
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08-31-2014, 05:50 AM
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#8
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Senior Member
Monaco Owners Club
Join Date: Mar 2014
Location: Mount Joy, PA
Posts: 124
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Made an appt with Cummins service center on Sep 4. Hope it is just the fuel filters. They also said filter is first thing to check. Just hope we make the 3 hour trip back and they said it is safe to drive it. Will check back and let everyone know.
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08-31-2014, 05:59 AM
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#9
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Senior Member
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,609
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In a deal like this one regarding suspected filters (3 hour ride home) , something to consider if you haven't already? Many times the engine will run fine if you'll slow it down/reduce the load on it (requires less fuel). In other words, if you're having trouble at 65mph, it might get you by for this one trip if you slow to 55. Plugged filters generally restrict the fuel flow - but don't cut it off completely.
__________________
1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
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08-31-2014, 01:10 PM
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#10
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Senior Member
Join Date: Jan 2011
Location: Fort walton Beach Fl
Posts: 1,061
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Filters, just fixed same issue on mine in Maine with new filters. Going strong now.
__________________
Larry
2016 Entegra Cornerstone
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08-31-2014, 01:28 PM
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#11
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Senior Member
Solo Rvers Club
Join Date: Jul 2014
Location: Ham Lake, MN
Posts: 3,038
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Quote:
Originally Posted by vanbuskirk
In our particular case the primary fuel filter aka the Razor was not visible and was tucked up in the chassis behind something and totally surrounded by wires.
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It's a Racor. My post from the other thread:
Quote:
Originally Posted by DieselTech39
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__________________
Have a wonderful day!
Ken (RVM 87)
FT DP Wanna B The journey is the destination!
Retired & perfecting procrastination!
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08-31-2014, 04:06 PM
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#12
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,951
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Continued operation with partially plugged fuel filters can cause the expensive injector pump to fail prematurely. The fuel filters should be changed per Cummins maintenance schedule, or annually, whichever comes first. Store with the fuel tank full to minimize moisture condensation in the tank, + only buy fuel from high-volume stations and minimize future fuel problems.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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08-31-2014, 05:24 PM
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#13
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Senior Member
Monaco Owners Club
Join Date: Mar 2014
Location: Mount Joy, PA
Posts: 124
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I am driving the car home separately instead of towing. We will reduce the speed. We have a service paper from previous owner showing fuel filter was changed in April 2012. Probably should have had it changed when we got it (so much to learn). Took 3 trips so far this summer (all 3 hours long each way) and it has run perfectly.
Can fuel filters clog up that quickly? Guess we will find out soon.
Just want to get it back in our area at this point.
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08-31-2014, 05:30 PM
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#14
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Senior Member
Solo Rvers Club
Join Date: Jul 2014
Location: Ham Lake, MN
Posts: 3,038
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Quote:
Originally Posted by sstehman
I am driving the car home separately instead of towing. We will reduce the speed. We have a service paper from previous owner showing fuel filter was changed in April 2012. Probably should have had it changed when we got it (so much to learn). Took 3 trips so far this summer (all 3 hours long each way) and it has run perfectly.
Can fuel filters clog up that quickly? Guess we will find out soon.
Just want to get it back in our area at this point.
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The answer is yes they can plug up that soon depending on the quality of the fuel that is in the tank. Normal change interval should be at least once a year. Most diesels have two fuel filters and that is why I highlighted the "fuel filter" in your post. My guess is there is a primary fuel filter such as I described "Racor" that needs to be changed and hasn't been prior to this. JMHO and not trying to be right.
__________________
Have a wonderful day!
Ken (RVM 87)
FT DP Wanna B The journey is the destination!
Retired & perfecting procrastination!
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