RPM rises to 3500 to shift from 4th to 5th
Hello I have a 1996 Monaco Dynasty. I am currently at a RV camp 3 hours from home to see fall colors. While driving at first the RV was driving just fine. An hour into the trip, I noticed that the...
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regardless if this is a 3126 Cat or a 8.3 Cummins it would have had a cast iron hemorrhage by the time it got to 3500 rpm. as stated in other posts the most likely cause is a tachometer issue
