Thought I would start a new thread about my CAT in my 99' Harney. 3126 and probably a B although CAT doesn't really mention that. The only thing I have had for a symptoms is that the cruise only wo...
Actually, without records, I would make NO assumptions.
But, first valve adjustment is not due until 30,000 miles.
And, with that low mileage over 15 years, it is quite likely that you have contaminated fuel. Check your primary fuel filter for any sign of rust, algae (black precipitate or slime) etc.
Also check all fluids for changing-- coolant, transmission, rear axle, etc. Cheap insurance.