Question about 1998 Ford Ranger SuperCab
this is because of the critical RPM. in particular RPm it coincides with the resonants frequency. Due to this the vibration may occur. then when you overcome this RPM then it runs normally. please try not to run your truck in that particular RPM
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Posted on Jul 10, 2010
Are you sure that the engine is vibrating and not the front end of the truck ? I had the same problem on my Ford years back. I found out it was the front wheel bearings were loose and needed grease. Also the tie rods were worn, and a front end allignment and wheel balancing will all help. If it is the vehicle. If it is the engine, try setting the timing, check the sparkplugs for corrosion, and add some fuel injection cleaner and run it. Hope something of this helps you out.
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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