Chevrolet Silverado Truck Vibration

2015 Chevrolet Silverado trucks have a vibration problem.  The trucks are 6-cylinders, and some suggest a feature called “active fuel management” caused the engine to run erratically on 4 cylinders to achieve  fuel efficiency.    GM has issued service bulletins on the subject, including “PI1354C: Information on Vibration Analysis and Diagnostic” and PIP5228A.  We have set forth reports filed with the... Continue Reading →

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