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11-22-2016, 05:47 AM
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#1
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Montana Fan
Join Date: May 2005
Location: zelienople
Posts: 300
M.O.C. #3760
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dodge diesel running rough
my 2005 dodge ctd with 109000 miles is running rough in low gears, starting out & up to 35mph. this is running solo, haven't towed for 18 months. does this sound like an engine problem, or a tranny problem? thanks, Ray
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11-22-2016, 07:43 AM
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#2
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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When was the fuel filter changed? If you haven't changed it recently that is the first thing I would check.
Lynwood
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11-22-2016, 08:20 AM
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#3
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Montana Fan
Join Date: May 2005
Location: zelienople
Posts: 300
M.O.C. #3760
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It's been 3 1/2 yrs & 17000 miles. I didn't think of that since it runs good in overdrive. I'll get the filter changed first. Thanks, Ray
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11-22-2016, 09:48 AM
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#4
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Montana Master
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
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Quote:
quote:Originally posted by mlh
When was the fuel filter changed? If you haven't changed it recently that is the first thing I would check.
Lynwood
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Good advice. When a diesel is running rough, the first, easiest and cheapest thing to do is change the fuel filter. If you have some bad or partially bad fuel, you might have to change it more than once.
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11-22-2016, 09:53 AM
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#5
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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But still like he said I only runs rough at low RPMs but at higher you might not feel it. I still would change the filter. That is the cheapest easiest thing you can do.
Lynwood
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11-22-2016, 05:29 PM
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#6
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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Uhhh, Dodge has only one filter? My Ford has two... make sure you get them all. Hope you still have the owner's manual to verify how many your truck has, or maybe someone else with an '05 Dodge with your same engine can verify.
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11-23-2016, 02:08 AM
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#7
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Montana Fan
Join Date: Jan 2007
Location: Moab
Posts: 316
M.O.C. #6756
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only 1 filter, easy change. I do mine every 5K miles.
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11-23-2016, 03:41 AM
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#8
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Montana Fan
Join Date: May 2005
Location: zelienople
Posts: 300
M.O.C. #3760
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thanks everyone, getting fuel filter changed.
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11-29-2016, 12:18 PM
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#9
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Montana Fan
Join Date: May 2005
Location: zelienople
Posts: 300
M.O.C. #3760
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got the fuel & air filter changed today, took it on a test drive, still running rough in lower gears. runs smoother once I get to 45mph. could it need tranny band adjustment? any other thoughts or suggestions before I take it to dealer. My original dealer has a great diesel mechanic that I trust. Thanks, Ray
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11-29-2016, 12:39 PM
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#10
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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Suggestion, yes take it to someone that has the equipment and expertise to diagnose the problem. At this point there is no need to waste money replacing parts. You have replaced the cheap stuff that might have helped. They probably needed to be replaced anyway. Now there is no need to throw money at it.
Lynwood
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11-30-2016, 05:06 AM
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#11
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Quote:
quote:Originally posted by mlh
When was the fuel filter changed? If you haven't changed it recently that is the first thing I would check.
Lynwood
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Good suggestion. Be thankful that your truck doesn't have 2 fuel filters like mine. Cost me $222.48 at dealer to get them changed. 
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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11-30-2016, 05:18 AM
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#12
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Quote:
quote:Originally posted by ray fischer
got the fuel & air filter changed today, took it on a test drive, still running rough in lower gears. runs smoother once I get to 45mph. could it need tranny band adjustment? any other thoughts or suggestions before I take it to dealer. My original dealer has a great diesel mechanic that I trust. Thanks, Ray
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Transmission filter and fluid change?
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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11-30-2016, 10:03 AM
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#13
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Seasoned Camper
Join Date: Jun 2016
Location: Havelock
Posts: 70
M.O.C. #18670
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My 2016 RAM with Cummins engine has two fuel filters. Just had them changed.
__________________
Dennis & Debbie Henry Havelock.NC
2018 3791RD ,2016 RAM 3500 DRW
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12-10-2016, 10:04 AM
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#14
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Montana Master
Join Date: Jan 2013
Location: Depends on temps
Posts: 1,648
M.O.C. #13157
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Ram started 2 filters in 2013 year model. 2012 and back have only one.
__________________
2012 Ram Laramie 3500 DRW 4x4 3.73 Tow Max Pkg B&W Companion 60 gal RDS aux fuel tank. 2014 Montana 3150RL, 2 A/C's, Leather, 6 Point Jacks, Splendede WD2100XC, Mor/ryde X-Factor, Duravis 250 tires with TST 507RV monitors. 2 x Honda EU2000's
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12-10-2016, 11:57 AM
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#15
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Montana Fan
Join Date: May 2005
Location: zelienople
Posts: 300
M.O.C. #3760
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The problem turned out to be my universal joint going bad. Dealer replaced it, truck runs great.I never heard or felt noise, just a rough ride, mainly during acceleration. Ray
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12-10-2016, 12:01 PM
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#16
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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Nice easy fix.
Lynwood
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