Took the valve cover off and adjusted the valves on the #4 cylinder with Brennin surprisingly the tolerances for that engine where greater than the cummins Bseries that i worked on earlier. where the valves in the B series had to be .010 of an inch plus or minis .001 inch where the ISX could be anywhere between .014 to .020 of an inch.
Finding fault codes on the ISX was a little tricky because it wouldn't talk to the Modis scan tool but we had the laptop with Cumins Insite loaded on it and got several.
the one i chose was Fault Code #2367
Reason. Engine Brake actuator driver 2 circuit voltage above normal or shorted to a high source.
Open circuit or high voltage detected at the engine Brake solenoid #2 signal circuit
Effect.
Engine brakes on cylinders #2 and #3 can be on all the time OR can NOT be activated .
Good report.
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