Forums > Job > Diesel Mechanic
in Tyngsborough, Massachusetts
40 months ago
the truck runs terrible and have hadit to every shop in town no visible codes but they clear the computer. and truck runs exellent for about 2 hours this has been done 4 or 5 times and every time i go to another shop to find out why its running so bad the same thing happens runs good for 2 hours then back to vibration and no power and hard shifting still no visible codes the dealer says i,m crazy but i,m driving the truck, not them...can the ecm possibly be defective
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