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Old 05-26-2014, 05:42 PM   #1
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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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Old 05-26-2014, 05:50 PM   #2
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When was the last time you had the fuel filter changed?
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Old 05-26-2014, 05:58 PM   #3
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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.

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Old 05-26-2014, 06:00 PM   #4
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Duramax fuel filter adapter "nicktane"

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Old 05-26-2014, 06:06 PM   #5
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Mine used to do it a lot .issues with the dpf.filter
Took all emissions off.
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Old 05-26-2014, 06:07 PM   #6
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Quote:
Originally Posted by OKI Marine View Post
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?



Try DuramaxForum.com
Lots of info and smart DMAX people
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Old 05-26-2014, 06:10 PM   #7
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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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Old 05-26-2014, 06:13 PM   #8
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I'm gonna guess that the extended idling plugged up the DPF.

John
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Old 05-26-2014, 06:17 PM   #9
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63% left on the fuel filter life. What is DPF?
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Old 05-26-2014, 06:20 PM   #10
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Message not displaying but the engine light is on
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