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05-26-2014, 04:42 PM
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#1
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Senior Member
Join Date: Jan 2014
Location: West Carrollton, Ohio
Posts: 757
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Help, Engine Power Is Reduced on Chevy Duramax
On the road today I had a blow out on one of the fifthwheel tires. I left the truck running while I changed the tire. I noticed that the hub was loose and wiggling quite a bit. I must not have tightened the nut well enough after repacking the wheel bearings a month ago. After fixing that and changing the tire, I got back in the truck and had an Engine Power is Reduced message on the instrument panel of my 2008 Chevy Silverado 3500HD dually duramax diesel. Anyone know what this is or how to correct it or what is causing it?
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05-26-2014, 04:50 PM
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#2
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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When was the last time you had the fuel filter changed?
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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05-26-2014, 04:58 PM
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#3
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Look at your fuel filter % status on the dic.
If it reads 0% it's a good chance it needs replaced.
I got rid of the factory fuel filter and installed an adapter to be able to run a caterpillar filter.
TURBS
"Sabre owners united"
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05-26-2014, 05:00 PM
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#4
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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05-26-2014, 05:06 PM
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#5
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Senior Member
Join Date: Apr 2013
Location: N.W. Illinois
Posts: 312
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Mine used to do it a lot .issues with the dpf.filter
Took all emissions off.
__________________
2007.5 Chevy 3500Ltz cc lb Duramax
2010 Sandpiper 345 RET (SOLD)
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05-26-2014, 05:07 PM
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#6
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Senior Member
Join Date: Apr 2008
Location: Edmonton.Alberta,Canada
Posts: 163
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Quote:
Originally Posted by OKI Marine
On the road today I had a blow out on one of the fifthwheel tires. I left the truck running while I changed the tire. I noticed that the hub was loose and wiggling quite a bit. I must not have tightened the nut well enough after repacking the wheel bearings a month ago. After fixing that and changing the tire, I got back in the truck and had an Engine Power is Reduced message on the instrument panel of my 2008 Chevy Silverado 3500HD dually duramax diesel. Anyone know what this is or how to correct it or what is causing it?
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Try DuramaxForum.com
Lots of info and smart DMAX people
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05-26-2014, 05:10 PM
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#7
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Senior Member
Join Date: Jan 2014
Location: West Carrollton, Ohio
Posts: 757
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Its been about a year and a half ago. I drove about 5 miles home at about 65 mph and didn't experience any reduced power. The owners manual stated that power may be reduced the next time the vehicle is driven. I will have to check the fuel filter life. A diesel forum stated that it could be the fuel filter, Air filter or the throttle position sensor. I have a turbo on the truck and haven't seen an air filter. know if there is one on there somewhere? I bought the truck in 2009 and it is a 2008. i have never changed an air filter because I couldn't find one. thanks for everyones quick responses.
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05-26-2014, 05:13 PM
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#8
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Campfire Master
Join Date: Feb 2008
Location: South East Michigan
Posts: 437
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I'm gonna guess that the extended idling plugged up the DPF.
John
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05-26-2014, 05:17 PM
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#9
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Senior Member
Join Date: Jan 2014
Location: West Carrollton, Ohio
Posts: 757
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63% left on the fuel filter life. What is DPF?
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05-26-2014, 05:20 PM
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#10
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Senior Member
Join Date: Jan 2014
Location: West Carrollton, Ohio
Posts: 757
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Message not displaying but the engine light is on
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05-26-2014, 05:21 PM
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#11
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Quote:
Originally Posted by OKI Marine
63% left on the fuel filter life. What is DPF?
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A diesel particulate filter.
I am going to guess your truck is before them.
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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05-26-2014, 05:28 PM
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#12
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Senior Member
Join Date: Apr 2008
Location: Edmonton.Alberta,Canada
Posts: 163
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Go to the nearest Gm dealer and have them plug into your obd
You need to know what codes it's throwing otherwise it's a guessing game
Good luck
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05-26-2014, 05:32 PM
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#13
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Senior Member
Join Date: Apr 2008
Location: Edmonton.Alberta,Canada
Posts: 163
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Quote:
Originally Posted by Ford Idaho
A diesel particulate filter.
I am going to guess your truck is before them.
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7.5 - 10 LMM have the DPF
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05-26-2014, 05:37 PM
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#14
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Happened to me too. It means the particulate filter needs to be cleaned. Let it run and it will burn it out and you will be good to go.
Watch out though, the exhaust gets pretty hot while doing it. Using high sulfur fuel, long idles, and long periods of disuse will cause this condition. Take it out by itself for 30 minutes at high speed.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-26-2014, 05:40 PM
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#15
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Senior Member
Join Date: Dec 2013
Posts: 806
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Call me 704-500-3235
__________________
2006 2500HD CCSB 2WD 2014 Crusader 285RET
Nights camped in 2013 - not enough!, 2014 37, 2015 40, 2016 39, 2017 38, 2018 36, 2019 37, 2020 26, 2021 28
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05-26-2014, 05:42 PM
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#16
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Quote:
Originally Posted by Crusadernoob
Call me
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You should remove your number, just sent it via a PM.
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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05-26-2014, 05:54 PM
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#17
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Posting a phone number in an open world wide forum is an invitation for harassing phone calls at all hours of the night.
Wish it weren't so, but it is what it is.
PM me if you want it edited.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-26-2014, 06:23 PM
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#18
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Senior Member
Join Date: Jan 2014
Location: West Carrollton, Ohio
Posts: 757
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Quote:
Originally Posted by win
7.5 - 10 LMM have the DPF
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I'm feeling pretty stupid. Not sure what the 7.5 - 10 LMM is. i looked under the truck at the exhaust and can't tell if it has the DPF exhaust filter. I did find an air filter in the catalyst compartment that leads up to the turbo. I've never changed it and the dealer never mentioned it when i have had it in for oil changes
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05-26-2014, 06:30 PM
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#19
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Senior Member
Join Date: Apr 2013
Location: N.W. Illinois
Posts: 312
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If you have a diesel you should have one.unless some one took it out .catalytic converter muffler and the dpf.
__________________
2007.5 Chevy 3500Ltz cc lb Duramax
2010 Sandpiper 345 RET (SOLD)
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05-26-2014, 06:33 PM
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#20
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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