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I have a volvo 670 cummins isx 2006, i hearing a knocking sound while driving what i get up to 40mph and over and truck vibrates and shake a little.

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Check the drive shaft for faulty u-joints . check for failed engine mounts

Posted on Dec 25, 2013

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If your U-joints look okay check out your carrier bearing or slip yoke. I have attached a link for online service manuals if that will help.

http://www.advantagetruckparts.com/pages/truck-repair-diagnostics.html

Posted on Apr 10, 2015

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Posted on Jan 02, 2017

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SOURCE: i have 05 volvo vnl 670, isx cummins 450/500.

I have a 2007 Volvo 670. The check vehicle ecu comes on. The fault code is MID 144 PID 191 FMI 5. THe truck won't go pass 1400 rpm, the speedometer doesn't work, the cruise doesn't work, the engine break doesn't work. I have to turn the truck off going down the road at highway speed for about 10 seconds and it'll go back to normal. Can anybody help?

Posted on May 21, 2011

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I have a 2007 Volvo 670. The check vehicle ecu comes on. The fault code is MID 144 PID 191 FMI 5. THe truck won't go pass 1400 rpm, the speedometer doesn't work, the cruise doesn't work, the engine break doesn't work. I have to turn the truck off going down the road at highway speed for about 10 seconds and it'll go back to normal. Can anybody help?

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