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11-11-2017, 12:07 AM
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#1
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Junior Member
Join Date: Oct 2011
Posts: 29
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0NAN Quiet Diesel 10000 Model 10 HDCAA11506A
Any knowledgeable techs in Palm Springs?. Idles forever but under any load, dies in 10 to 30 minutes. getting to accept warm food. btw ,iSUZU 3 CYL ENGINE.
Passing thru quartzsite en route
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11-12-2017, 08:52 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: May 2016
Location: On the road, again
Posts: 432
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I had a similar experience with my genny 10kw Isuzu diesel. It took a control module for 800 + and 2 hrs labor to fix the issue. Find Cummins that has the module before stopping. We wasted 2 trips to Cummins before it was resolved.
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posted from 2001 Monaco Exec 40DSFD, ISM 500
tags from the live free or die state, trailer - Z3 roadster on board
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11-12-2017, 08:14 PM
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#3
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Junior Member
Join Date: Oct 2011
Posts: 29
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Thanks for the reply. Would you have the part number handy?
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11-12-2017, 08:29 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: May 2016
Location: On the road, again
Posts: 432
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yes i can find it, but our model numbers are not exactly the same. I would hesitate on saying it would work, it would be better to call cummins on monday and get it from them. any coach care or genny cummins has the info. I'll look to see if i have a copy of your manual ....
kerry
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posted from 2001 Monaco Exec 40DSFD, ISM 500
tags from the live free or die state, trailer - Z3 roadster on board
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11-12-2017, 08:46 PM
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#5
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Senior Member
Monaco Owners Club
Join Date: May 2016
Location: On the road, again
Posts: 432
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service manual available via email if you send an address, it exceeds the 3.0 Mbyte limit on this site by 0.08 Mbytes....
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posted from 2001 Monaco Exec 40DSFD, ISM 500
tags from the live free or die state, trailer - Z3 roadster on board
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11-12-2017, 09:02 PM
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#6
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Senior Member
Join Date: Oct 2008
Location: Marshfield, WI
Posts: 719
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Are you sure the fuel filter is good? Sometimes when filters get too clogged, engines will run at idle or slow, but not under load.
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Denny, Connie & Shadow (former barn cat made good)
2006 Tiffin Phaeton, Cat C7, Freightliner Chassis
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11-13-2017, 01:25 PM
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#7
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Junior Member
Join Date: Oct 2011
Posts: 29
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Quote:
Originally Posted by kerryvan
service manual available via email if you send an address, it exceeds the 3.0 Mbyte limit on this site by 0.08 Mbytes....
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Thanks again. Check your private messages.
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11-13-2017, 01:33 PM
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#8
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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Quote:
Originally Posted by Martind4
Are you sure the fuel filter is good? Sometimes when filters get too clogged, engines will run at idle or slow, but not under load.
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That and a restricted exhaust (plugged or crushed) will stop engine under load.
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11-13-2017, 01:36 PM
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#9
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Junior Member
Join Date: Oct 2011
Posts: 29
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Quote:
Originally Posted by Martind4
Are you sure the fuel filter is good? Sometimes when filters get too clogged, engines will run at idle or slow, but not under load.
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This is in fact a replacement filter. Thanks for the reminder to add a fuel flow check to the diagnosis process. Had jumped the gun and replaced the lift pump with the filter.
Fuel lines (feed and return) have been checked and rechecked for leaks which could add air. Nothing obvious.
No trouble codes show up.
This has given us TOOOO much hassles to date.
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11-14-2017, 05:44 PM
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#10
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Senior Member
Monaco Owners Club
Join Date: Aug 2011
Location: Wherever we are
Posts: 389
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ISM500,
We have had some issues with our 10KW Onan.
If you are traveling through Tucson, call Simonsen Generator Service 520-889-9581. Very experienced, very fair prices.
We also had good service on our Onan at Cummins in Avondale. AZ. They have coach hookups in their parking lot, too. I was underwhelmed with Cummins in Ventura, CA. They broke our generator, but did stand finally stand good for the repair.
Cheers,
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Bob Covey
Home: 2003 Monaco Executive 43 SDDS, ISM
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11-15-2017, 01:04 PM
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#11
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Junior Member
Join Date: Oct 2011
Posts: 29
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Quote:
Originally Posted by CountryB
That and a restricted exhaust (plugged or crushed) will stop engine under load.
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You know it never crossed my mind to check the exhaust. Of course if it is severely restricted the engine cannot exhale. Might be dating myself but remember the old prank of stuffing a potato into an exhaust pipe and watching the poor fellow try to start his car!! 
Thanks for all the great responses. Might finally be able, with all this advice, to get that Isuzu to wake up.
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11-15-2017, 01:17 PM
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#12
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Junior Member
Join Date: Oct 2011
Posts: 29
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Quote:
Originally Posted by bobcovey
ISM500,
We have had some issues with our 10KW Onan.
If you are traveling through Tucson, call Simonsen Generator Service 520-889-9581. Very experienced, very fair prices.
We also had good service on our Onan at Cummins in Avondale. AZ. They have coach hookups in their parking lot, too. I was underwhelmed with Cummins in Ventura, CA. They broke our generator, but did stand finally stand good for the repair.
Cheers,
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Appreciate you sharing your findings. Saves me from re-inventing the wheel. Looking to be in AZ in April.
If some of the DIY suggestions are beyond my pay grade, it's good to know where to shop and often more important,where NOT to go. Most everyone has experienced expensive repairs which were short lived and off the mark. 
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